chore: remove gold sponsor (#8135) #4388

Job	Run time
Check Dependencies	5m 30s
Lint Rust Files	2m 43s
Test (depot-ubuntu-24.04-arm-16)	4m 34s
Test (depot-windows-2022-16)	1h 54m 9s
Test262 Coverage (depot-windows-2022-16)	7m 41s
Format Rust Files	3m 59s
Test (depot-macos-14)	7m 23s
Test262 Coverage (depot-ubuntu-24.04-arm-16)	2m 46s
	2h 28m 45s

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