Update File.php
Update File.php

# Removed unused statement : $sniff     = $code;
# Removed unused variable $isWin and logic to set that value
rcarraretto/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,phpdragon/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,phpdragon/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,arnested/PHP_CodeSniffer,arnested/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,arnested/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,phpdragon/PHP_CodeSniffer,phpdragon/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer