ShellPkg: Remove beta tag from ver command output.

Signed-off-by: Jaben Carsey <Jaben.Carsey@intel.com>
reviewed-by: lee rosenbaum <lee.g.rosenbaum@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14121 6f19259b-4bc3-4df7-8a09-765794883524
Fix build issue on DDK3790 tool chain.

Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14122 6f19259b-4bc3-4df7-8a09-765794883524