chore: remove React Native 0.71 leftover in `build.gradle` (#743) #915

Job	Run time
build (macos, fabric-view, kotlin-objc)	2m 11s
build (macos, legacy-module, cpp)	2m 15s
build (macos, legacy-module, kotlin-swift)	2m 3s
build (macos, legacy-module, kotlin-objc)	1m 56s
build (macos, legacy-view, kotlin-swift)	2m 6s
build (macos, legacy-view, kotlin-objc)	1m 53s
build (macos, turbo-module, cpp)	2m 48s
build (macos, turbo-module, kotlin-objc)	2m 13s
build (ubuntu, legacy-module, cpp)	1m 26s
build (ubuntu, fabric-view, kotlin-objc)	1m 31s
build (ubuntu, legacy-module, kotlin-swift)	1m 29s
build (ubuntu, legacy-module, kotlin-objc)	1m 36s
build (ubuntu, legacy-view, kotlin-swift)	1m 22s
build (ubuntu, legacy-view, kotlin-objc)	1m 28s
build (ubuntu, library, js)	1m 43s
build (ubuntu, turbo-module, cpp)	1m 26s
build (ubuntu, turbo-module, kotlin-objc)	1m 34s
	31m 0s

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