remove nonexistent setting (probably comatose contribution?)

src/components/settings_modal/tabs/filtering_tab.vue

@@ -49,24 +49,6 @@
             {{ $t('settings.mute_sensitive_posts') }}
           </BooleanSetting>
         </li>
-        <li>
-          <BooleanSetting path="hideMutedFederationRestrictions">
-            {{ $t('settings.hide_muted_federation_restrictions') }}
-          </BooleanSetting>
-          <ul
-            class="setting-list suboptions"
-            :class="[{disabled: !streaming}]"
-          >
-            <li
-              v-for="item in muteFederationRestrictionsLevels"
-              :key="'mute_' + item + '_federation_restriction'"
-            >
-              <BooleanSetting :path="'muteFederationRestrictions.' + item">
-                {{ $t('settings.mute_' + item + '_federation_restriction') }}
-              </BooleanSetting>
-            </li>
-          </ul>
-        </li>
         <li>
           <BooleanSetting path="hidePostStats">
             {{ $t('settings.hide_post_stats') }}