doc: remove personal pronoun usage in errors.md

Per our style guide, avoid personal pronouns (I, you, we, etc.) in
reference documentation.

PR-URL: #32142
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

Author: Trott

doc/api/errors.md

@@ -1880,7 +1880,7 @@ added: v13.10.0
 -->
 
 The TLS socket must be connected and securily established. Ensure the 'secure'
-event is emitted, before you continue.
+event is emitted before continuing.
 
 <a id="ERR_TLS_INVALID_PROTOCOL_METHOD"></a>
 ### `ERR_TLS_INVALID_PROTOCOL_METHOD`