chore: Disable `@defer` support #326

Job	Run time
Run Tuist Generation	2m 20s
Run Tuist Generation	2m 20s
Run swift build for SPM packages (apollo-ios)	58s
Run swift build for SPM packages (apollo-ios)	58s
Cocoapods Integration Tests - macOS	29s
Cocoapods Integration Tests - macOS	29s
Codegen Test Configurations - macOS	8m 17s
Codegen Test Configurations - macOS	8m 17s
Run swift build for SPM packages (apollo-ios-codegen)	1m 11s
Run swift build for SPM packages (apollo-ios-codegen)	1m 11s
Run swift build for SPM packages (apollo-ios-pagination)	1m 25s
Run swift build for SPM packages (apollo-ios-pagination)	1m 25s
Apollo Integration Tests - macOS	5m 15s
Apollo Integration Tests - macOS	5m 15s
Apollo Unit Tests - macOS	7m 43s
Apollo Unit Tests - macOS	4m 35s
Codegen CLI Unit Tests - macOS	3m 27s
Codegen CLI Unit Tests - macOS	3m 27s
Codegen Lib Unit Tests - macOS	4m 37s
Codegen Lib Unit Tests - macOS	4m 37s
	1h 8m 16s

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