removing the line in hook for removing the gtkhash

desktop file as we would be using hamara-sugam-config package for all configurations
2 jobs from master in 119 minutes 48 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build Hamara Sugam Amd64
passed #764
allowed to fail
build-hamara-sugam-amd64

01:25:58

 
  Build Hamara Sugam I386
passed #765
build-hamara-sugam-i386

33:49