comctl32: Remove an obsolete resource attribute.

[Michael Stefaniuc]

Marvin wrote:
> While running your changed tests on Windows, I think I found new failures.
> Being a bot and all I'm not very good at pattern recognition, so I might be
> wrong, but could you please double-check?
> Full results can be found at
> http://testbot.winehq.org/JobDetails.pl?Key=16849
> 
> Your paranoid android.
> 
> 
> === WNT4WSSP6 (32 bit) ===
> No test summary line found
WTB is confused by the change to a non-c file and didn't run any tests.

bye
	michael