delete rerank.md from toc.yml

Author: leemthompo

docs/reference/query-languages/toc.yml

@@ -109,7 +109,6 @@ toc:
                   - file: esql/commands/lookup-join.md
                   - file: esql/commands/mv_expand.md
                   - file: esql/commands/rename.md
-                  - file: esql/commands/rerank.md
                   - file: esql/commands/sample.md
                   - file: esql/commands/sort.md
                   - file: esql/commands/stats-by.md