Remove some methods that have `NS_UNAVAILABLE` set (#19790)

Summary:
These lines were causing erros with the e2e tests on ios.
There are some methods that are not going to be called, and some definitions that are not correct.

needed for #19574.

we will run the e2e tests.

[INTERNAL] [MINOR] [Tests] - Fix some definitions.
Closes https://github.com/facebook/react-native/pull/19790

Differential Revision: D8509228

Pulled By: hramos

fbshipit-source-id: 78650e347db52305a587e3461ac56877e3c79062

Libraries/Text/TextInput/Multiline/RCTMultilineTextInputView.m

@@ -40,9 +40,6 @@
   return self;
 }
 
-RCT_NOT_IMPLEMENTED(- (instancetype)initWithFrame:(CGRect)frame)
-RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)coder)
-
 - (id<RCTBackedTextInputViewProtocol>)backedTextInputView
 {
   return _backedTextInputView;

Libraries/Text/TextInput/Multiline/RCTUITextView.m

@@ -108,12 +108,6 @@ static UIColor *defaultPlaceholderColor()
   _placeholderView.textAlignment = textAlignment;
 }
 
-- (void)setText:(NSString *)text
-{
-  [super setText:text];
-  [self textDidChange];
-}
-
 - (void)setAttributedText:(NSAttributedString *)attributedText
 {
   [super setAttributedText:attributedText];

Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputView.m

@@ -32,9 +32,6 @@
   return self;
 }
 
-RCT_NOT_IMPLEMENTED(- (instancetype)initWithFrame:(CGRect)frame)
-RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)coder)
-
 - (id<RCTBackedTextInputViewProtocol>)backedTextInputView
 {
   return _backedTextInputView;

Libraries/Text/TextInput/Singleline/RCTUITextField.m

@@ -121,12 +121,6 @@
 
 #pragma mark - Overrides
 
-- (void)setSelectedTextRange:(UITextRange *)selectedTextRange
-{
-  [super setSelectedTextRange:selectedTextRange];
-  [_textInputDelegateAdapter selectedTextRangeWasSet];
-}
-
 - (void)setSelectedTextRange:(UITextRange *)selectedTextRange notifyDelegate:(BOOL)notifyDelegate
 {
   if (!notifyDelegate) {