Remove unused dialog, todo comments and other tiny tweaks

src/components/views/elements/SSOButtons.tsx

@@ -46,7 +46,6 @@ const SSOButton: React.FC<ISSOButtonProps> = ({
 
     let icon;
     if (idp && idp.icon && idp.icon.startsWith("https://")) {
-        // TODO sanitize images
         icon = <img src={idp.icon} height="24" width="24" alt={label} />;
     }
 

src/components/views/elements/ServerPicker.tsx

@@ -42,7 +42,6 @@ const showPickerDialog = (
 
 const onHelpClick = () => {
     Modal.createTrackedDialog('Custom Server Dialog', '', InfoDialog, {
-        // TODO
         title: _t("Server Options"),
         description: _t("You can use the custom server options to sign into other Matrix servers by specifying " +
             "a different homeserver URL. This allows you to use Element with an existing Matrix account on " +