[scripts][ci/bdt] Move setting of PYTHONUNBUFFERED to root of scripts so set for all executions

bob/devtools/scripts/bdt.py

@@ -67,3 +67,4 @@ def main():
     # certificate setup: required for gitlab API interaction
     set_environment('SSL_CERT_FILE', CACERT, os.environ)
     set_environment('REQUESTS_CA_BUNDLE', CACERT, os.environ)
+    set_environment('PYTHONUNBUFFERED', '1', os.environ)

bob/devtools/scripts/ci.py

@@ -27,9 +27,7 @@ def ci():
   attempt to run these commands in your own installation.  Unexpected errors
   may occur.
   """
-  # ensure messages don't get garbled at the output on the CI logs
-  from ..bootstrap import set_environment
-  set_environment('PYTHONUNBUFFERED', '1', os.environ)
+  pass
 
 
 @ci.command(epilog='''