Original header commits:
 v10/v11/v12 commit v3.0.0-rc5~3^2
 v140 commit v3.1.0-rc1~358^2~3

There are no versions of /MANIFESTUAC:NO where addition values are
appended.  Remove both of the MANIFESTUAC:NO entries from our flag
tables and replace them with one which would set EnableUAC to false and
immediately stop processing the /MANIFESTUAC:NO option.