Remove set require-final-newline variable from c-add-style clause

GitHub-Issue: #424

The setting of require-final-newline is useful, but in CC-Mode it is
not generally overwritten.
These can also be set in Editorconfig or .dir-locals.el.

Author: zonuexe

php-mode.el

@@ -682,7 +682,6 @@ but only if the setting is enabled"
    (indent-tabs-mode . nil)
    (tab-width . ,(default-value 'tab-width))
    (fill-column . ,(default-value 'fill-column))
-   (require-final-newline . ,(default-value 'require-final-newline))
    (show-trailing-whitespace . ,(default-value 'show-trailing-whitespace))
    (php-style-delete-trailing-whitespace . nil)))
 
@@ -736,8 +735,7 @@ but only if the setting is enabled"
   '("php"
     (c-offsets-alist . ((statement-cont . php-lineup-hanging-semicolon)))
     (c-indent-comments-syntactically-p . t)
-    (fill-column . 78)
-    (require-final-newline . t)))
+    (fill-column . 78)))
 
 (defun php-enable-symfony2-coding-style ()
   "Make php-mode use coding styles that are preferable for working with Symfony2."
@@ -750,7 +748,6 @@ but only if the setting is enabled"
     (c-offsets-alist . ((statement-cont . +)))
     (c-indent-comments-syntactically-p . t)
     (fill-column . 78)
-    (require-final-newline . t)
     (show-trailing-whitespace . t)
     (php-style-delete-trailing-whitespace . t)))