ZSH: Don't invoke vi-mode in emacs shell

zsh/config

@@ -50,6 +50,8 @@ bindkey '^r' history-incremental-search-backward
 bindkey '^w' backward-kill-word
 bindkey '^a' beginning-of-line
 bindkey '^e' end-of-line
+
+if ! [ "$EMACS" ]; then
 	bindkey ${terminfo[kdch1]} delete-char
 
 	# Switch between block and line cursor (Only in iterm)
@@ -73,6 +75,7 @@ if is_mac; then
 		zle -N zle-line-finish
 		zle -N zle-keymap-select
 	fi
+fi
 
 # Switch between block and line cursor (Only in iterm)
 autoload colors