feat: Remove `ParseFacebookUtils` and `ParseTwitterUtils` #518

Job	Run time
docs	2m 16s
tests (test:ios)	10m 37s
tests (test:macos)	4m 39s
tests (test:parseui:all)	2m 48s
tests (test:parse_live_query:all)	3m 18s
tests (build:starters)	6m 7s
tests (xcode15)	6m 42s
	36m 27s

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