Remove Link For Old P9 Nimbus SBE Filename

Change-Id: Ifbd8cc667ae47b2cd31935f8d50d5eb6e837dd62
RTC:178235
Backport: release-op910
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48372
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Marshall J. Wilks <mjwilks@us.ibm.com>
Reviewed-by: Stephen M. Cprek <smcprek@us.ibm.com>
Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/build/mkrules/hbfw/img/makefile

@@ -310,9 +310,6 @@ gen_system_specific_images_bypass_cache :
 	dd if=${${NIMBUS_VPO_HBD_IMG}:P} of=${NIMBUS_HBD_FINAL_IMG} ibs=4k skip=1 conv=sync
 	.endif
 
-	# @TODO RTC 178235 Remove Symbolic Link Creation Below
-	ln -f -s p9n.SbePartition.header.bin p9nSbePartition.header.bin
-
 # build_sbe_partitions build step generates SBE partition files that ODE is
 # unaware of due to the file cache that we cannot disable.  To work around that,
 # build the PNOR images under recursive make, which gets a fresh view of the