PM: Remove Queued Scan attribute and image build

Change-Id: I2615f1d23356f3079d5826622bd73cacdf85e348
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40583
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: CHRISTOPHER M. RIEDL <cmriedl@us.ibm.com>
Reviewed-by: Juan R. Medina <jrmedina@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40641
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/pm_plat_attributes.xml

@@ -1712,21 +1712,6 @@
       <platInit/>
   </attribute>
   <!-- ********************************************************************* -->
-  <attribute>
-    <id>ATTR_SYSTEM_DISABLE_QUEUED_SCAN</id>
-    <targetType>TARGET_TYPE_SYSTEM</targetType>
-    <description>
-    Queued scan mode disable status. This attribute eventually decides if queued
-    scan is to be supported by CME Hcode.
-
-    Consumers: p9_hcode_image_build
-    </description>
-    <valueType>uint8</valueType>
-    <enum>FALSE = 0x00, TRUE = 0x01</enum>
-    <platInit/>
-    <initToZero/>
-   </attribute>
-  <!-- ********************************************************************* -->
   <attribute>
      <id>ATTR_PERF_24x7_INVOCATION_TIME_MS</id>
      <description>