refactor(ivy): combine query load instructions (#32100)

Combines the `loadViewQuery` and `loadContentQuery` instructions since they have the exact same internal logic. Based on a discussion here: https://github.com/angular/angular/pull/32067#pullrequestreview-273001730

PR Close #32100

packages/core/src/render3/index.ts

@@ -178,9 +178,8 @@ export {
   ɵɵqueryRefresh,
   ɵɵviewQuery,
   ɵɵstaticViewQuery,
-  ɵɵloadViewQuery,
+  ɵɵloadQuery,
   ɵɵcontentQuery,
-  ɵɵloadContentQuery,
   ɵɵstaticContentQuery
 } from './query';