Remove *Search gRPC methods and cleanup search #2145

Job	Run time
Pre-checks: Clippy lint	1m 6s
Build node binaries	2m 12s
Check Licenses	1m 35s
Build virtual environment	2m 0s
Pre-checks: Rust code Format	11s
Lint all helm charts	4s
nidx: Clippy lint	37s
nidx: Rust code Format	15s
nidx tests	2m 56s
Node Rust tests	3m 4s
Pre-checks: Python lint 3.9	9m 12s
check-migrations	20s
NucliaDB tests (pg, 0)	2m 13s
Pre-checks: Python lint	2m 38s
NucliaDB tests (pg, 1)	2m 27s
NucliaDB components tests (ingest)	59s
NucliaDB tests (pg, 2)	2m 22s
NucliaDB components tests (reader)	2m 22s
Python packages tests (nucliadb_dataset)	34s
NucliaDB components tests (standalone)	1m 51s
Pre-checks: Protos up-to-date	40s
Python packages tests (nucliadb_models)	26s
NucliaDB components tests (train)	1m 11s
Python packages tests (nucliadb_node_binding)	23s
NucliaDB components tests (writer)	1m 56s
Python packages tests (nucliadb_sdk)	46s
Python packages tests (nucliadb_telemetry)	43s
Python packages tests (nucliadb_utils)	1m 18s
NucliaDB search tests	5m 43s
Sidecar tests	1m 44s
CI passed	1s
Trigger deploy	0s
Trigger release	0s
	53m 49s

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