gitconfig: cleanup.

gitconfig

@@ -80,15 +80,8 @@
 	# and update its date.
 	fix-up-previous-commit = !git commit --all --amend \
 	                              --reuse-message=HEAD --date=\"$(date)\" #"
-	# Checkout the staging branch and update it.
-	pull-staging = !git checkout staging && git pull
 	# Checkout the master branch and update it.
 	pull-master = !git checkout master && git pull
-	# Update the staging, master and current branches.
-	pull-master-staging-and-current-branch = \
-	  !BRANCH=$(git current-branch) && git fetch --all \
-	    && git pull-staging && git pull-master && \
-	    git checkout $BRANCH && git pull
 	# Commit a work-in-progress commit (to use with
 	# fix-up-previous-commit)
 	work-in-progress = commit -a -m 'WIP'
@@ -113,7 +106,6 @@
 	wip = !git work-in-progress
 	pr = !git upstream-and-pull-request
 	up = !git upstream-current-branch
-	pm = !git pull-master-staging-and-current-branch
 	fa = !git fetch --all
 	pf = !git push --force-with-lease
 	w = !git word-diff