Changing duplicate product ids from local use to WMO in the RRFS

[AndrewBenjamin-NOAA]

Tested removing "<table_info>NCEP</table_info>" from several products in the RRFS flat and xml files. The purpose of this is to use product ids that have been officially added to the WMO grib2 tables rather than continue using the NCEP local use product ids. The list of products that will be changed are listed below:

Parameter	Current NCEP local use id	New WMO id
CPOFP	193	39
CRAIN	192	33
CFRZR	193	34
CICEP	194	35
CSNOW	195	36
HPBL	196	18
LFTX	192	10
REFD	195	4
REFC	196	5
RETOP	197	3
USTM	194	27
VSTM	195	28

[AndrewBenjamin-NOAA]

Re opening this issue to include #868 and potentially more commits on non-SBN RRFS grib2 products