Revert "GIT_SILENT: It compiles fine against kf5.72 without deprecated methods"

kparts is broken I provided a patch for it not accepted yet
This reverts commit 09040305.
2 jobs for master in 6 minutes and 58 seconds (queued for 110 minutes and 3 seconds)
Status Job ID Name Coverage
  Build
passed #56055
build_clazy_clang_tidy

00:05:42

failed #56054
linux kf5-qt5 qt5.12

00:01:16

 
Name Stage Failure
failed
linux kf5-qt5 qt5.12 Build
    return self.do_open(http.client.HTTPSConnection, req,
File "/usr/lib64/python3.8/urllib/request.py", line 1353, in do_open
raise URLError(err)
urllib.error.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>
Uploading artifacts for failed job
Uploading artifacts...
WARNING: JUnitTestResults.xml: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1