5.0 | Remove properties which were replaced by class constants

[jrfnl]

Remove:

• PHP_CodeSniffer\Util\Common::$allowedTypes.
• PHP_CodeSniffer\Tokenizers\PHP::$tstringContexts.
• PHP_CodeSniffer\Sniffs\AbstractVariableSniff::$phpReservedVars.
• PHP_CodeSniffer\Standards\Generic\Sniffs\NamingConventions\CamelCapsFunctionNameSniff::$magicMethods.
• PHP_CodeSniffer\Standards\Generic\Sniffs\NamingConventions\CamelCapsFunctionNameSniff::$methodsDoubleUnderscore.
• PHP_CodeSniffer\Standards\Generic\Sniffs\NamingConventions\CamelCapsFunctionNameSniff::$magicFunctions.
• PHP_CodeSniffer\Standards\Generic\Sniffs\Files\ByteOrderMarkSniff::$bomDefinitions.
• PHP_CodeSniffer\Standards\Generic\Sniffs\Files\InlineHTMLSniff::$bomDefinitions.
• PHP_CodeSniffer\Standards\Generic\Sniffs\PHP\CharacterBeforePHPOpeningTagSniff::$bomDefinitions.
• PHP_CodeSniffer\Standards\Generic\Sniffs\VersionControl\SubversionPropertiesSniff::$properties.
• PHP_CodeSniffer\Standards\PEAR\Sniffs\Commenting\FileCommentSniff::$tags.
• PHP_CodeSniffer\Standards\PEAR\Sniffs\NamingConventions\ValidFunctionNameSniff::$magicMethods.
• PHP_CodeSniffer\Standards\PEAR\Sniffs\NamingConventions\ValidFunctionNameSniff::$magicFunctions.
• PHP_CodeSniffer\Standards\Squiz\Sniffs\PHP\DisallowSizeFunctionsInLoopsSniff::$forbiddenFunctions.

See:

• https://github.com/PHPCSStandards/PHP_CodeSniffer/issues/1043