Revert "incorporated prezto script into main init"

This reverts commit 80e49da031.

prezto.zsh

@@ -0,0 +1,14 @@
+#!/bin/zsh
+#Initializes Prezto
+
+#Remove old stuff
+rm -rf ~/.zshrc ~/.zsh ~/.zprofile
+
+#Make Environment Links, per github readme
+setopt EXTENDED_GLOB
+for rcfile in "${ZDOTDIR:-$HOME}"/stevset/prezto/.zprezto/runcoms/^README.md(.N); do
+	  ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}"
+  done
+
+#Fix History if it exists
+cat ~/.zsh_history > ~/.zhistory