Fixed: Added Various Missing Translations

cleanup en.json of unused translates

Fixes #1397

Closes Sonarr PR # 4791 'Fixed: Better wording of MissingFromDisk'

frontend/src/Settings/Quality/Definition/QualityDefinitions.js

@@ -25,9 +25,15 @@ class QualityDefinitions extends Component {
           {...otherProps}
         >
           <div className={styles.header}>
-            <div className={styles.quality}>Quality</div>
-            <div className={styles.title}>Title</div>
-            <div className={styles.sizeLimit}>Size Limit</div>
+            <div className={styles.quality}>
+              {translate('Quality')}
+            </div>
+            <div className={styles.title}>
+              {translate('Title')}
+            </div>
+            <div className={styles.sizeLimit}>
+              {translate('SizeLimit')}
+            </div>
             {
               advancedSettings ?
                 <div className={styles.kilobitsPerSecond}>