[lldb] Remove inconsequential radar link (NFC)

The comment after the radar link already explains the issue. There's no
additional information in the radar and has been marked as closed by the
corresponding code change. This commit removes the link and reflows the
comment.

Author: JDevlieghere

lldb/source/Target/Target.cpp

@@ -2864,12 +2864,12 @@ bool Target::RunStopHooks() {
   if (!any_active_hooks)
     return false;
 
-  // <rdar://problem/12027563> make sure we check that we are not stopped
-  // because of us running a user expression since in that case we do not want
-  // to run the stop-hooks.  Note, you can't just check whether the last stop
-  // was for a User Expression, because breakpoint commands get run before
-  // stop hooks, and one of them might have run an expression.  You have
-  // to ensure you run the stop hooks once per natural stop.
+  // Make sure we check that we are not stopped because of us running a user
+  // expression since in that case we do not want to run the stop-hooks. Note,
+  // you can't just check whether the last stop was for a User Expression,
+  // because breakpoint commands get run before stop hooks, and one of them
+  // might have run an expression. You have to ensure you run the stop hooks
+  // once per natural stop.
   uint32_t last_natural_stop = m_process_sp->GetModIDRef().GetLastNaturalStopID();
   if (last_natural_stop != 0 && m_latest_stop_hook_id == last_natural_stop)
     return false;