appserver php: remove files moved to appserver module

There is a diff between the php.ini.appserver on file and php.ini in the module
due to the fix in https://gerrit.wikimedia.org/r/#/c/108961/

Change-Id: I3c32633e4145037c56ebdbaa2f6715981ed197e1
Merge "appserver php: remove files moved to appserver module" into production