Remove useless break statements

Author: paneidos

src/Exceptions/InvalidJSON.php

@@ -16,22 +16,16 @@ private static function getErrorMessage($error)
         switch ($error) {
             case JSON_ERROR_DEPTH:
                 return ' - Maximum stack depth exceeded';
-                break;
             case JSON_ERROR_STATE_MISMATCH:
                 return ' - Underflow or the modes mismatch';
-                break;
             case JSON_ERROR_CTRL_CHAR:
                 return ' - Unexpected control character found';
-                break;
             case JSON_ERROR_SYNTAX:
                 return ' - Syntax error, malformed JSON';
-                break;
             case JSON_ERROR_UTF8:
                 return ' - Malformed UTF-8 characters, possibly incorrectly encoded';
-                break;
             default:
                 return ' - Unknown error';
-                break;
         }
     }
-}
+}