GC was deprecated several releases ago and notinally removed a couple… #1585

Job	Run time
Windows x86 MinGW GCC	21m 28s
Ubuntu x64 GCC	4m 24s
Windows x64 MinGW GCC	24m 36s
Ubuntu x64 Clang gnustep-2.0	4m 27s
Windows x64 MinGW Clang gnustep-2.0	20m 54s
Windows x86 MSVC Clang gnustep-2.0	21m 53s
Rocky Linux x64 Clang gnustep-2.0	4m 38s
Windows x64 MSVC Clang gnustep-2.0	18m 10s
	2h 0m 30s

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