🔥 remove unused code

extensions-builtin/sd_forge_controlnet/javascript/active_units.js

@@ -86,7 +86,6 @@
 
                 this.attachEnabledButtonListener();
                 this.attachControlTypeRadioListener();
-                // this.attachTabNavChangeObserver();
                 this.attachImageUploadListener();
                 this.attachImageStateChangeObserver();
                 this.attachA1111SendInfoObserver();
@@ -186,22 +185,6 @@
                 }
             }
 
-            /**
-             * Each time the active tab change, all tab nav buttons are cleared and
-             * regenerated by gradio. So we need to reapply the active states on
-             * them.
-             */
-            attachTabNavChangeObserver() {
-                new MutationObserver((mutationsList) => {
-                    for (const mutation of mutationsList) {
-                        if (mutation.type === 'childList') {
-                            this.updateActiveState();
-                            this.updateActiveControlType();
-                        }
-                    }
-                }).observe(this.tabNav, { childList: true });
-            }
-
             attachImageUploadListener() {
                 // Automatically check `enable` checkbox when image is uploaded.
                 this.inputImage.addEventListener('change', (event) => {