win_installer; fix script, windows.cfg is a mandatory configuration file

Author: danmar

win_installer/cppcheck.wxs

@@ -123,7 +123,6 @@
               <File Id='sqlite3.cfg' Name='sqlite3.cfg' Source='$(var.CfgsDir)\sqlite3.cfg' />
               <File Id='tinyxml2.cfg' Name='tinyxml2.cfg' Source='$(var.CfgsDir)\tinyxml2.cfg' />
               <File Id='vcl.cfg' Name='vcl.cfg' Source='$(var.CfgsDir)\vcl.cfg' />
-              <File Id='windows.cfg' Name='windows.cfg' Source='$(var.CfgsDir)\windows.cfg' />
               <File Id='wxwidgets.cfg' Name='wxwidgets.cfg' Source='$(var.CfgsDir)\wxwidgets.cfg' />
               <File Id='zlib.cfg' Name='zlib.cfg' Source='$(var.CfgsDir)\zlib.cfg' />
             </Component>