Code cleanup.

Author: DeKleineKobini

extension/scripts/features/quick-crimes/ttQuickCrimes.js

@@ -297,7 +297,7 @@
 			return;
 		}
 
-		showCrimesAgainOnFirefoxObserver = new MutationObserver((mutations, observer) => {
+		showCrimesAgainOnFirefoxObserver = new MutationObserver((mutations) => {
 			const hasRemovedQuickCrimes = ![...mutations]
 				.filter((mutation) => mutation.removedNodes.length)
 				.flatMap((mutation) => [...mutation.removedNodes])

extension/scripts/global/featureManager.js

@@ -277,7 +277,7 @@ class FeatureManager {
 			return;
 		}
 
-		new Promise(async (resolve) => {
+		new Promise(async () => {
 			let row = this.container.find(`[feature-name*="${feature.name}"]`);
 			if (row) {
 				row.setAttribute("status", status);