Revert "[DOCS] Copied note on slicing support to Slicing section. Closes 26114 (#40426)"

This reverts commit b8be2d0.

Author: kat257

docs/reference/docs/reindex.asciidoc

@@ -982,10 +982,6 @@ Reindex supports <<sliced-scroll>> to parallelize the reindexing process.
 This parallelization can improve efficiency and provide a convenient way to
 break the request down into smaller parts.
 
-NOTE: Reindexing from remote clusters does not support
-<<docs-reindex-manual-slice, manual>> or
-<<docs-reindex-automatic-slice, automatic slicing>>.
-
 [float]
 [[docs-reindex-manual-slice]]
 ==== Manual slicing