elementary: Lets remove it also from POTFILES.in

Soemthign to keep in mind: If you remove a file do a quick grep to
see where is still it listed. :)

SVN revision: 80254

legacy/elementary/po/POTFILES.in

@@ -148,7 +148,6 @@
 ./src/lib/els_box.c
 ./src/lib/els_cursor.c
 ./src/lib/els_pan.c
-./src/lib/els_scroller.c
 ./src/lib/els_tooltip.c
 ./src/modules/test_entry/mod.c
 ./src/modules/test_map/mod.c