Remove src/channel

[kghost]

Problem

This is mostly replaced by new commissioning manager.

Change overview

Remove src/channel

Testing

No test needed.

[github-actions]

PR #12780: Size comparison from f18d8b7 to 4c83c5c

Full report (32 builds for efr32, esp32, k32w, linux, mbed, nrfconnect, p6, qpg, telink)

platform	target	config	section	f18d8b7	4c83c5c	change	% change
efr32	lighting-app	BRD4161A	(read only)	804156	804156	0	0.0
			(read/write)	122996	122996	0	0.0
			.bss	121176	121176	0	0.0
			.data	1820	1820	0	0.0
			.text	804148	804148	0	0.0
		BRD4161A+rpc	(read only)	791776	791776	0	0.0
			(read/write)	139680	139680	0	0.0
			.bss	137752	137752	0	0.0
			.data	1928	1928	0	0.0
			.text	791768	791768	0	0.0
	window-app	BRD4161A	(read only)	780884	780884	0	0.0
			(read/write)	121128	121128	0	0.0
			.bss	119344	119344	0	0.0
			.data	1784	1784	0	0.0
			.text	780876	780876	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	859206	859206	0	0.0
			(read/write)	1306722	1306722	0	0.0
			.dram0.bss	67640	67640	0	0.0
			.dram0.data	14124	14124	0	0.0
			.flash.rodata	171920	171920	0	0.0
			.flash.text	859206	859206	0	0.0
			.iram0.text	62076	62076	0	0.0
		m5stack	(read only)	962531	962531	0	0.0
			(read/write)	450988	450988	0	0.0
			.dram0.bss	75008	75008	0	0.0
			.dram0.data	34048	34048	0	0.0
			.flash.rodata	210144	210144	0	0.0
			.flash.text	957147	957147	0	0.0
			.iram0.text	123451	123451	0	0.0
k32w	lighting-app	k32w061+se05x+release	(read/write)	724676	724676	0	0.0
			.bss	81240	81240	0	0.0
			.data	1852	1852	0	0.0
			.text	635784	635784	0	0.0
	lock-app	k32w061+debug	(read/write)	615836	615836	0	0.0
			.bss	71904	71904	0	0.0
			.data	1820	1820	0	0.0
			.text	536312	536312	0	0.0
	shell	k32w061+debug	(read/write)	679076	679076	0	0.0
			.bss	81604	81604	0	0.0
			.data	1792	1792	0	0.0
			.text	589880	589880	0	0.0
linux	chip-tool-ipv6only	arm64	(read only)	6786188	6786188	0	0.0
			(read/write)	312337	312337	0	0.0
			.bss	51633	51633	0	0.0
			.data	1048	1048	0	0.0
			.data.rel.ro	207632	207632	0	0.0
			.dynamic	560	560	0	0.0
			.got	48384	48384	0	0.0
			.init	24	24	0	0.0
			.init_array	160	160	0	0.0
			.rodata	342396	342396	0	0.0
			.text	5782148	5782148	0	0.0
	thermostat-no-ble	arm64	(read only)	1931988	1931988	0	0.0
			(read/write)	136337	136337	0	0.0
			.bss	59441	59441	0	0.0
			.data	776	776	0	0.0
			.data.rel.ro	69736	69736	0	0.0
			.dynamic	560	560	0	0.0
			.got	3520	3520	0	0.0
			.init	24	24	0	0.0
			.init_array	256	256	0	0.0
			.rodata	124820	124820	0	0.0
			.text	1601440	1601440	0	0.0
mbed	all-clusters-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2320136	2320136	0	0.0
			.bss	186892	186892	0	0.0
			.data	5232	5232	0	0.0
			.heap	844320	844320	0	0.0
			.text	1282712	1282712	0	0.0
	lighting-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2305992	2305992	0	0.0
			.bss	175704	175704	0	0.0
			.data	5488	5488	0	0.0
			.heap	855256	855256	0	0.0
			.text	1268592	1268592	0	0.0
	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2278720	2278720	0	0.0
			.bss	174744	174744	0	0.0
			.data	5488	5488	0	0.0
			.heap	856216	856216	0	0.0
			.text	1241320	1241320	0	0.0
	pigweed-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	1140008	1140008	0	0.0
			.bss	11756	11756	0	0.0
			.data	4376	4376	0	0.0
			.heap	1020312	1020312	0	0.0
			.text	103392	103392	0	0.0
	shell	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2047808	2047808	0	0.0
			.bss	156564	156564	0	0.0
			.data	4864	4864	0	0.0
			.heap	875016	875016	0	0.0
			.text	1010408	1010408	0	0.0
nrfconnect	lighting-app	nrf52840dk_nrf52840	(read/write)	903299	903299	0	0.0
			bss	116176	116176	0	0.0
			rodata	101164	101164	0	0.0
			text	610392	610392	0	0.0
		nrf52840dk_nrf52840+rpc	(read/write)	866323	866323	0	0.0
			bss	112524	112524	0	0.0
			rodata	92460	92460	0	0.0
			text	585120	585120	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	829290	829290	0	0.0
			bss	117552	117552	0	0.0
			rodata	96420	96420	0	0.0
			text	540820	540820	0	0.0
	lock-app	nrf52840dk_nrf52840	(read/write)	875527	875527	0	0.0
			bss	113440	113440	0	0.0
			rodata	97280	97280	0	0.0
			text	589448	589448	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	801774	801774	0	0.0
			bss	114848	114848	0	0.0
			rodata	92568	92568	0	0.0
			text	519972	519972	0	0.0
	pigweed-app	nrf52840dk_nrf52840	(read/write)	497463	497463	0	0.0
			bss	51820	51820	0	0.0
			rodata	45852	45852	0	0.0
			text	339492	339492	0	0.0
	pump-app	nrf52840dk_nrf52840	(read/write)	880487	880487	0	0.0
			bss	113352	113352	0	0.0
			rodata	98632	98632	0	0.0
			text	593040	593040	0	0.0
	pump-controller-app	nrf52840dk_nrf52840	(read/write)	873667	873667	0	0.0
			bss	113228	113228	0	0.0
			rodata	96772	96772	0	0.0
			text	588200	588200	0	0.0
	shell	nrf52840dk_nrf52840	(read/write)	781627	781627	0	0.0
			bss	109552	109552	0	0.0
			rodata	74280	74280	0	0.0
			text	523280	523280	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	696702	696702	0	0.0
			bss	110532	110532	0	0.0
			rodata	68920	68920	0	0.0
			text	443924	443924	0	0.0
p6	all-clusters-app	default	(read/write)	2356168	2356168	0	0.0
			.bss	113124	113124	0	0.0
			.data	2512	2512	0	0.0
			.heap	917704	917704	0	0.0
			.text	1314432	1314432	0	0.0
	light-app	default	(read/write)	2290448	2290448	0	0.0
			.bss	100896	100896	0	0.0
			.data	2328	2328	0	0.0
			.heap	930120	930120	0	0.0
			.text	1248712	1248712	0	0.0
	lock-app	default	(read/write)	2266328	2266328	0	0.0
			.bss	99776	99776	0	0.0
			.data	2288	2288	0	0.0
			.heap	931280	931280	0	0.0
			.text	1224592	1224592	0	0.0
qpg	lighting-app	qpg6100+debug	(read only)	517976	517976	0	0.0
			(read/write)	122332	122332	0	0.0
			.bss	82624	82624	0	0.0
			.data	956	956	0	0.0
			.text	512656	512656	0	0.0
	lock-app	qpg6100+debug	(read only)	491968	491968	0	0.0
			(read/write)	122336	122336	0	0.0
			.bss	81760	81760	0	0.0
			.data	912	912	0	0.0
			.text	486648	486648	0	0.0
	persistent-storage-app	qpg6100+debug	(read only)	108104	108104	0	0.0
			(read/write)	122336	122336	0	0.0
			.bss	36152	36152	0	0.0
			.data	288	288	0	0.0
			.text	102784	102784	0	0.0
telink	lighting-app	tlsr9518adk80d	(read/write)	807494	807494	0	0.0
			bss	82756	82756	0	0.0
			noinit	37160	37160	0	0.0
			text	563540	563540	0	0.0