Revert "Merge pull request #71 from Zentyal/openchange-jkerihuel/indexing-sql"

This reverts commit 8917512a08e1a01a51c99a23279e86e3992a00f7, reversing
changes made to 613d9546ca2ab3850fc4d20a5649be14bf79fcf1.

Conflicts:
	Makefile