Revert "evaluate gpp upstream on cli"

This reverts commit e4b6c3c9ba.

bin/git_set_upstream

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Copied from David Pedersen: https://github.com/davidpdrsn/dotfiles/blob/master/bin/git-pp
+
+set -e
+
+git_branch_name() {
+  val=$( git branch 2>/dev/null | grep '^\*' | colrm 1 2 )
+  echo "$val"
+}
+
+git push --set-upstream origin "$(git_branch_name)"