rm files/php/wmerrors.ini (moved to appserver module)

Seems someone forgot to remove the wmerrors.ini from the root puppet
repository.  It is now under /modules/applicationserver/ which now
reference:

 modules/applicationserver/manifests/config/php.pp:
   source => "puppet:///modules/applicationserver/php/wm

Change-Id: I0b7afca3d3f85dbc8a77051a86b9eda8d5d9aae3
Merge "rm files/php/wmerrors.ini (moved to appserver module)" into production