[tests] Remove workaround for issue #14802. (#17421)

Seems like this is fixed now.

tests/introspection/ApiSelectorTest.cs

@@ -947,44 +947,6 @@ protected virtual bool Skip (Type type, string selectorName)
 					return true;
 				}
 				break;
-#if NET
-			// Incorrect attributes in inlined protocol selectors - https://github.com/xamarin/xamarin-macios/issues/14802
-			case "NSTextAttachment":
-				switch (selectorName) {
-				case "attachmentBoundsForAttributes:location:textContainer:proposedLineFragment:position:":
-				case "imageForBounds:attributes:location:textContainer:":
-				case "viewProviderForParentView:location:textContainer:":
-					return true;
-				}
-				break;
-			// Incorrect attributes in get/set selectors - https://github.com/xamarin/xamarin-macios/issues/14802
-			case "CBManager":
-				switch (selectorName) {
-				case "authorization":
-				case "authorizations":
-					return true;
-				}
-				break;
-			case "NEAppProxyFlow":
-				switch (selectorName) {
-				case "networkInterface":
-				case "setNetworkInterface:":
-					return true;
-				}
-				break;
-			case "WKPreferences":
-				switch (selectorName) {
-				case "setTextInteractionEnabled:":
-					return true;
-				}
-				break;
-			case "MidiCISession":
-				switch (selectorName) {
-				case "midiDestination":
-					return true;
-				}
-				break;
-#endif
 			}
 
 			// old binding mistake