Undo some p9 Cumulus spy workarounds in initfiles

Change-Id: I961ec9e52962b1d5e1295e484922095acd6697a8
RTC:174656
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41234
Reviewed-by: Benjamin Gass <bgass@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Jenny Huynh <jhuynh@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41306
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

src/import/chips/p9/procedures/xml/attribute_info/chip_ec_attributes.xml

@@ -3383,24 +3383,6 @@
     </chipEcFeature>
   </attribute>
   <!-- ******************************************************************** -->
-  <attribute>
-    <id>ATTR_CHIP_EC_FEATURE_RTC_174656_SKIP_CUMULUS</id>
-    <targetType>TARGET_TYPE_PROC_CHIP</targetType>
-    <description>
-      Only apply spy to Nimbus, skip for Cumulus.
-      This is because p9c_10.spydef doesn't have the spy yet.
-    </description>
-    <chipEcFeature>
-      <chip>
-        <name>ENUM_ATTR_NAME_NIMBUS</name>
-        <ec>
-          <value>0x10</value>
-          <test>GREATER_THAN_OR_EQUAL</test>
-        </ec>
-      </chip>
-    </chipEcFeature>
-  </attribute>
-  <!-- ********************************************************************* -->
   <attribute>
     <id>ATTR_CHIP_EC_FEATURE_P9C_SPY_ONLY</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>