Revert "FIX: ensures selection is lookedup into async content (#7586)"

Revert “FIX: ensures selection is lookedup into async content (#7586)”

This reverts commit c238f0d223e76f949a0061e43e94d69ee51331b1.

diff --git a/app/assets/javascripts/select-kit/components/multi-select.js.es6 b/app/assets/javascripts/select-kit/components/multi-select.js.es6
index 9377594..d380c34 100644
--- a/app/assets/javascripts/select-kit/components/multi-select.js.es6
+++ b/app/assets/javascripts/select-kit/components/multi-select.js.es6
@@ -198,17 +198,12 @@ export default SelectKitComponent.extend({
     return this._super() && !this.get("hasReachedMaximum");
   },
 
-  @computed(
-    "computedValues.[]",
-    "computedContent.[]",
-    "computedAsyncContent.[]"
-  )
-  selection(computedValues, computedContent, computedAsyncContent) {
+  @computed("computedValues.[]", "computedContent.[]")
+  selection(computedValues, computedContent) {
     const selected = [];
-    const content = this.isAsync ? computedAsyncContent : computedContent;
 
     computedValues.forEach(v => {
-      const value = content.findBy("value", v);
+      const value = computedContent.findBy("value", v);
       if (value) selected.push(value);
     });

GitHub sha: 6398ded7