Removed use of deprecated auto_detect_line_endings ini setting (ref #3394)

Author: gsherwood

CHANGELOG.md

@@ -50,6 +50,8 @@ The file documents changes to the PHP_CodeSniffer project.
 ### Removed
 - Removed support for installing via PEAR
     - Use composer or the phar files
+- Removed use of the deprecated `auto_detect_line_endings` ini setting
+    - This removes support for files with `\r` line endings
 - Support for checking the coding standards of JS files has been removed
 - Support for checking the coding standards of CSS files has been removed
 - Support for the deprecated `@codingStandard` annotation syntax has been removed

src/Runner.php

@@ -279,10 +279,6 @@ public function init()
             define('PHP_CODESNIFFER_CBF', false);
         }
 
-        // Ensure this option is enabled or else line endings will not always
-        // be detected properly for files created on a Mac with the /r line ending.
-        ini_set('auto_detect_line_endings', true);
-
         // Disable the PCRE JIT as this caused issues with parallel running.
         ini_set('pcre.jit', false);