Removed config option (php): this variable containing the file extensions (php3 of php) was only used in config, so do a search and replace if you need it

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1846 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9