editor/emacs: refactor aliases.zsh

editor/emacs/aliases.zsh

@@ -1,6 +1,6 @@
-if is-callable emacs; then
-    if [[ "$OSTYPE" == darwin* ]]; then
+if [[ "$OSTYPE" == darwin* ]]; then
     alias emacs='emacs -nw'
+
     e() { # Emacs version of v
         if pgrep Emacs 2>&1 >/dev/null; then
             emacsclient -n $@
@@ -8,9 +8,8 @@ if is-callable emacs; then
             /Applications/Emacs.app/Contents/MacOS/Emacs $@ &
         fi
     }
-    else
+else
     alias e='emacsclient -n'
-    fi
-
-    ediff() { e --eval "(ediff-files \"$1\" \"$2\")"; }
 fi
+
+ediff() { e --eval "(ediff-files \"$1\" \"$2\")"; }