Remove comment about service mode not working; bug 135 was fixed a while ago.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@5178 3789f03b-4d11-0410-bbf8-ca57d06f2519

README.txt

@@ -66,8 +66,7 @@ The Windows version of TigerVNC contains the following programs:
 
 The Windows version of TigerVNC should work on Windows 2000 and later.  On
 Windows XP and later, winvnc may not work if the Fast User Switching or Remote
-Desktop features are in use.  Running winvnc as a service does not (yet) work
-with Windows Vista or later.
+Desktop features are in use.
 
 
 Unix/Linux-Specific (not Mac)