Remove theme and key map references

These are not supported by the plugin yet, and should be added with
tests later.

This change fixes an incomplete and reverted change, 1a0c58f.

Change-Id: I42909a2d62f88a390942f2af58f7b5e6a5fbe554
diff --git a/gr-editor/gr-editor.js b/gr-editor/gr-editor.js
index 58826c5..d75f7bd 100644
--- a/gr-editor/gr-editor.js
+++ b/gr-editor/gr-editor.js
@@ -63,7 +63,8 @@
         params.hideTopMenu = prefs.hide_top_menu;
         params.indentUnit = prefs.indent_unit;
         params.indentWithTabs = prefs.indent_with_tabs;
-        params.keyMap = prefs.key_map_type.toLowerCase();
+        // TODO(kaspern): Add support for keymaps.
+        // params.keyMap = prefs.key_map_type.toLowerCase();
         params.lineLength = prefs.line_length;
         params.lineNumbers = prefs.hide_line_numbers;
         params.lineWrapping = prefs.line_wrapping;
@@ -78,7 +79,8 @@
         params.showTrailingSpace = prefs.show_whitespace_errors;
         params.styleSelectedText = true;
         params.tabSize = prefs.tab_size;
-        params.theme = prefs.theme.toLowerCase();
+        // TODO(kaspern): Add support for themes.
+        // params.theme = prefs.theme.toLowerCase();
 
         if (value && value.includes('\r\n')) {
           params.lineSeparator = '\r\n';