Simplify install script

install.sh

@@ -7,7 +7,6 @@ SCRIPTPATH=$(dirname "$SCRIPT")
 FILES="vimrc zshrc gitconfig vim gitignore_global"
 
 # Create symbolic links in the user's home dir
-OLDPATH=`pwd`
 cd $HOME
 for file in $FILES
 do
@@ -16,4 +15,4 @@ do
         ln -s ${SCRIPTPATH}/${file} .${file}
     fi
 done
-cd $OLDPATH
+cd -