Revert "fix search calls by program #1635"

This reverts commit 43b263e10388e819076f17662debe8c83a60b39c.

Custom dict metas are not required anymore (9b9f8c6)
Add Call.subprogram field (follows 1b8055cf) f-me/carma#1309
Search cases/calls by subprogram f-me/carma#1621
Whitespace
Fix Subprogram services (widget, type is optional) f-me/carma#1330
Rename SubProgram.contract to SubProgram.template