revert some TOC edits

Author: HeidiSteen

articles/search/toc.yml

@@ -341,13 +341,7 @@ items:
       items:
       - name: Understand vector quotas and limits
         href: vector-search-index-size.md
-      - name: Choose an approach for compression
-        href: vector-search-how-to-configure-compression-storage.md
-      - name: Compress vectors using quantization
-        href: vector-search-how-to-configure-compression-storage.md
-      - name: Assign narrow data types
-        href: vector-search-how-to-configure-compression-storage.md
-      - name: Omit vectors from search results
+      - name: Compress vector index size
         href: vector-search-how-to-configure-compression-storage.md
       - name: Index binary data for vector search
         href: vector-search-how-to-index-binary-data.md