fix: simplify sudo plugin

sudoedit isn't available on all systems.
sometimes we don't want to use $EDITOR. or it is not set.

plugins/sudo

@@ -1,14 +1,11 @@
+#
 # sudo will be inserted before the current command
+#
+
 sudo-command-line() {
   [[ -z $BUFFER ]] && zle up-history
   if [[ $BUFFER == sudo\ * ]]; then
     LBUFFER="${LBUFFER#sudo }"
-  elif [[ $BUFFER == $EDITOR\ * ]]; then
-    LBUFFER="${LBUFFER#$EDITOR }"
-    LBUFFER="sudoedit $LBUFFER"
-  elif [[ $BUFFER == sudoedit\ * ]]; then
-    LBUFFER="${LBUFFER#sudoedit }"
-    LBUFFER="$EDITOR $LBUFFER"
   else
     LBUFFER="sudo $LBUFFER"
   fi