[zsh] Move func/ directory to zsh/functions

zsh/func/up

@@ -1,15 +0,0 @@
-#!/usr/bin/zsh
-# Go up $1 directories, where $1 is an integer (saves me from having to type ../
-# ad nauseum)
-# Eryn Wells <eryn@erynwells.me>
-
-if [[ -z $1 ]]; then
-    cd ..
-else
-    local updir=''
-    for (( i=0; $i < $1; i++ ))
-    do
-        updir="../$updir"
-    done
-    cd $updir
-fi