Remove TODO comment about horizontal scrolling

This CL removes the TODO comment about horizontal scrolling support in
the Query Result panel of the timeline view, which was already
implemented in https://r.android.com/1998112 .

Bug: 220141069
Change-Id: I0a16ebdff4700b6d995bc5296dc4d18e4784d668
diff --git a/ui/src/frontend/query_table.ts b/ui/src/frontend/query_table.ts
index fc2eb7f..a70f9fb 100644
--- a/ui/src/frontend/query_table.ts
+++ b/ui/src/frontend/query_table.ts
@@ -171,12 +171,6 @@
     return m(
         'div',
         ...headers,
-        // TODO(rsavitski): the x-scrollable works for the
-        // dedicated query page, but is insufficient in the case of
-        // the results being presented within the bottom details
-        // pane in the timeline view. In that case, the
-        // details-panel-container enforces non-scrollability.
-        // Ideally we'd want to make that case scrollable as well.
         resp.error ?
             m('.query-error', `SQL error: ${resp.error}`) :
             m('.query-table-container.x-scrollable',