Revert changes to build script

pull_and_rebuild.bat

@@ -1,9 +1,6 @@
 call git pull
-:: call git submodule foreach git reset --hard
+call git submodule foreach git reset --hard
 call git submodule foreach git checkout master
 call git submodule foreach git pull
 
 call build.bat < ns.txt
-
-call git add -A
-call git commit -m "This commit was generated by pull_and_rebuild.bat and does exactly that"