Don't surface partitions in service search sources (#14078)

ui/packages/consul-ui/app/components/consul/service/search-bar/index.hbs

@@ -139,27 +139,8 @@ as |key value|}}
           </span>
         </BlockSlot>
         <BlockSlot @name="options">
-  {{#let components.Optgroup components.Option as |Optgroup Option|}}
-{{#let
-  (reject-by 'Partition' @partition @partitions)
-as |nonDefaultPartitions|}}
-{{#if (gt nonDefaultPartitions.length 0)}}
-    <Optgroup
-      @label={{t 'common.brand.consul'}}
-    >
-    {{#each @partitions as |partition|}}
-      <Option class="partition" @value={{partition}} @selected={{includes partition @filter.source.value}}>
-        {{partition}}
-      </Option>
-    {{/each}}
-    </Optgroup>
-{{/if}}
-{{/let}}
-
+  {{#let components.Option as |Option|}}
 {{#if (gt @sources.length 0)}}
-    <Optgroup
-      @label={{t 'common.search.integrations'}}
-    >
     {{#each @sources as |source|}}
           <Option class={{source}} @value={{source}} @selected={{includes source @filter.source.value}}>
             {{t (concat "common.brand." source)}}
@@ -168,7 +149,6 @@ as |nonDefaultPartitions|}}
     <Option class="consul" @value='consul' @selected={{includes 'consul' @filter.source.value}}>
       {{t 'common.brand.consul'}}
     </Option>
-    </Optgroup>
 {{/if}}
   {{/let}}
         </BlockSlot>