[Frontend] Cleanups to Inspector config elements

open #729
In-progress
Moved reduced-min-width into _inspector.scss;
Removed <style> defs in markup files;

platform/features/table/res/templates/table-options-edit.html

@@ -25,6 +25,6 @@
             ng-model="configuration.table.columns"
             structure="columnsForm"
             name="columnsFormState"
-            class="flex-elem l-flex-row no-validate no-margin reduced-min-width">
+            class="flex-elem l-flex-row no-validate no-margin">
     </mct-form>
 </div>