Removed the unwanted RC from xip_cust error xml file

Change-Id: I5b680c357b943f71089311466661c14e13db3579
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40684
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Claus M. Olsen <cmolsen@us.ibm.com>
Reviewed-by: Richard J. Knight <rjknight@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40686
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@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/import/chips/p9/procedures/xml/error_info/p9_xip_customize_errors.xml

@@ -5,7 +5,7 @@
 <!--                                                                        -->
 <!-- OpenPOWER HostBoot Project                                             -->
 <!--                                                                        -->
-<!-- Contributors Listed Below - COPYRIGHT 2016                             -->
+<!-- Contributors Listed Below - COPYRIGHT 2016,2017                        -->
 <!-- [+] International Business Machines Corp.                              -->
 <!--                                                                        -->
 <!--                                                                        -->
@@ -101,17 +101,6 @@
     <ffdc>VPD_KEYWORD</ffdc>
   </hwpError>
   <!-- ********************************************************************* -->
-  <hwpError>
-    <rc>RC_XIPC_MVPD_RING_ID_MESS</rc>
-    <description>Code bug: Wrong assumption about ringId</description>
-    <callout>
-      <procedure>CODE</procedure>
-      <priority>HIGH</priority>
-    </callout>
-    <ffdc>CHIP_TARGET</ffdc>
-    <ffdc>RING_ID</ffdc>
-  </hwpError>
-  <!-- ********************************************************************* -->
   <hwpError>
     <rc>RC_XIPC_MVPD_CHIPLET_ID_MESS</rc>
     <description>VPD ring's chipletId doesn't match requested chipletId</description>