Removed old resetting to previous values

This is due to a change in `_js` which lead to the instant updates breaking :(
Need to reinvestigate how to actually fix this.
For now the broken feature got replaced with a working, but sloooow solution (updates one by one when resetting)

javascript/ui.js

@@ -371,11 +371,6 @@ function markIfModified(setting_name, value) {
         tab_nav_indicator.title += `${unsaved.size} new default value${unsaved.size > 1 ? 's':''} (not yet saved).`;
 }
 
-function onSettingComponentChanged(setting_name, value) {
-    markIfModified(setting_name, value)
-    return []
-}
-
 function onSettingsModificationIndicatorClicked(tab_name) {
     opts_tabs[tab_name].changed.forEach(function(setting_name){
         // Click each setting's modification indicator
@@ -383,11 +378,6 @@ function onSettingsModificationIndicatorClicked(tab_name) {
     })
 }
 
-function onModificationIndicatorClicked(setting_name) {
-    markIfModified(setting_name, opts[setting_name])
-    return JSON.parse(JSON.stringify(opts[setting_name]));
-}
-
 let txt2img_textarea;
 let img2img_textarea;
 const wait_time = 800;