Removing modules directory.

Commit 703a93f2b4e2c8f9d5c57ad383abcac61ba1bf41 somehow causes commit
00b0a1553ad761560c8bd0e9d66efb310152759b to be munged resulting in merge
conflicts in commit f9015ba67029f6cc0c0be1e1df659424f660f139.