Don't remove native, cross, crossinitial and sdk recipes now only
keep major version of recipe based by pn.
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
In the RRS only one recipe (PN) per layerbranch makes sense because
the RRS reports the current status of the recipe.
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>