Bring flair into the new settings

Makes the flair options in old settings look broken (cosmetic issues), but it's fine because we're ripping that out in due time.

res/css/views/groups/_GroupUserSettings.scss

@@ -18,6 +18,5 @@ limitations under the License.
     height: 200px;
     border: 1px solid $primary-hairline-color;
     border-radius: 3px;
-    margin-right: 32px;
     overflow: hidden;
 }

res/css/views/settings/tabs/_SettingsTab.scss

@@ -10,8 +10,13 @@
   font-family: $font-family-semibold;
   color: $primary-fg-color;
   margin-bottom: 10px;
-}
-
-.mx_SettingsTab_section {
   margin-top: 10px;
 }
+
+.mx_SettingsTab_subsectionText {
+  color: $settings-subsection-fg-color;
+  font-size: 12px;
+  padding-bottom: 12px;
+  margin: 0;
+  display: block;
+}