Removed some actions from bin/mkrelease, as they don't work as intended with the new --system-site-packages virtualenv setup.

 - Legacy-Id: 12205

Author: levkowetz

bin/mkrelease

@@ -185,7 +185,6 @@ changes=$( sed -n "/^$PROJ ($VER.*)/,/^ -- /p" changelog )
 #note "$changes"
 
 note "Upgrading the python library modules before checking migrations and running tests ..."
-pip freeze > minimum-requirements.txt
 pip install --upgrade -r requirements.txt
 
 note "Checking that all model changes have been captured in migrations ..."
@@ -282,4 +281,4 @@ cat ~/src/db/mail/release-mail-v$VER.txt | $do mail -s "New datatracker release:
 
 $do toolsfeed control changelog /www/tools.ietf.org/tools/atomfeed.xml
 $do toolpush /www/tools.ietf.org/tools/atomfeed.xml
-pip install -q -r minimum-requirements.txt
+