Merge pull request #1899 from UncleGrumpy/gen_tcp_docs

Minor update to gen_tcp docs

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

libs/estdlib/src/gen_tcp.erl

@@ -31,7 +31,6 @@
 %% Caveats:
 %% <ul>
 %%     <li>Limited support for socket tuning parameters</li>
-%%     <li>No support for <b>controlling_process/2</b></li>
 %% </ul>
 %%
 %% <em><b>Note.</b>  Port drivers for this interface are not supported