refactor: remove the *.xcodeproj from ios template #373

Job	Run time
build (macos, module-legacy, cpp)	4m 35s
build (macos, module-legacy, java-swift)	13m 28s
build (macos, module-legacy, java-objc)	1s
build (macos, module-mixed, cpp)	7m 54s
build (macos, module-mixed, java-objc)	8m 43s
build (macos, module-new, java-objc)	3m 1s
build (macos, module-new, cpp)	5m 14s
build (macos, view-legacy, java-objc)	4m 57s
build (macos, view-legacy, java-swift)	1s
build (macos, view-new, java-objc)	1s
build (macos, view-mixed, java-objc)	1s
build (ubuntu, library, js)	1m 29s
build (ubuntu, module-legacy, java-swift)	41s
build (ubuntu, module-legacy, cpp)	59s
build (ubuntu, module-legacy, java-objc)	51s
build (ubuntu, module-legacy, kotlin-swift)	52s
build (ubuntu, module-legacy, kotlin-objc)	3m 12s
build (ubuntu, module-mixed, cpp)	53s
build (ubuntu, module-mixed, java-objc)	47s
build (ubuntu, module-mixed, kotlin-objc)	56s
build (ubuntu, module-new, cpp)	58s
build (ubuntu, module-new, java-objc)	42s
build (ubuntu, module-new, kotlin-objc)	3m 17s
build (ubuntu, view-legacy, java-objc)	52s
build (ubuntu, view-legacy, java-swift)	44s
build (ubuntu, view-legacy, kotlin-swift)	57s
build (ubuntu, view-legacy, kotlin-objc)	52s
build (ubuntu, view-mixed, java-objc)	46s
build (ubuntu, view-mixed, kotlin-objc)	46s
build (ubuntu, view-new, java-objc)	50s
build (ubuntu, view-new, kotlin-objc)	56s
	1h 10m 16s

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