[Xtro] Clean file that was missed due to xtro bug. (#15554)

Issue for fixed in https://github.com/xamarin/xamarin-macios/pull/15552

tests/xtro-sharpie/api-annotations-dotnet/tvOS-CoreText.ignore

@@ -1,3 +1 @@
 # bound in previous versions but removed in xcode 14
-!extra-enum-value! Managed value 1 for CTFontTableOptions.ExcludeSynthetic is available for the current platform while the value in the native header is not
-!extra-enum-value! Managed value 10 for CTParagraphStyleSpecifier.LineSpacing is available for the current platform while the value in the native header is not