Remove cpuset configurations

This functionality simply did not work, with Libvirt continuing to dump
its processes into the root cset thus defeating the purpose entirely.

Just remove it, from some very initial testing it isn't worth the
headache.

group_vars/default/pvc.yml

@@ -146,45 +146,6 @@ pvc_sriov_enable: False
 #            Lowering the stack limit may cause poor performance or crashes in Zookeeper during some tasks.
 #pvc_zookeeper_stack_limit: 256M  # 1/4 of default
 
-# CPU pinning configuration via cset
-# > ADVANCED TUNING: For most users, this is unnecessary and PVC will run fine with the default scheduling.
-#   Uncomment these options only for testing or if you are certain you meet the following conditions.
-# > These options will tune cpuset (installed by default) to limit Ceph OSDs to certain CPU cores, while
-#   simultaneously limiting other system tasks and VMs to the remaining CPU cores. In effect it dedicates the
-#   specified CPU cores to Ceph OSDs only to ensure those processes can have dedicated CPU time.
-# > Generally speaking, except in cases where extremely high random read throughput is required and in which
-#   the node(s) have a very large number of physical cores, this setting will not improve performance, and
-#   may in fact hurt performance. For more details please see the documentation.
-# > For optimal performance when using this setting, you should dedicate exactly 2 cores, and their
-#   respective SMT threads if applicable, to each OSD. For instance, with 2 OSDs, 4 real cores (and their
-#   corresponding SMT threads if applicable) should be specified. More cores has been seen to, in some cases
-#   drop performance further. For more details please see the documentation.
-# > Use the 'virsh capabilities' command to confim the exact CPU IDs (and SMT "siblings") for these lists.
-#
-pvc_shield_osds_enable: False
-#pvc_shield_osds_cset:
-#  # This example host has 2x 6-core SMT-enabled CPUs; we want to use cores 0 (+SMT 12) and 2 (+SMT 14), which are
-#  # both on physical CPU 0, for 1x OSD.
-#  - hostname: pvchv1
-#    osd_cset:
-#      - 0
-#      - 2
-#      - 12
-#      - 14
-#  # These example hosts have 1x 8-core SMT-enabled CPUs; we want to use cores 0 (+SMT 8) and 1 (+SMT 9) for 1x OSD.
-#  - hostname: pvchv2
-#    osd_cset:
-#      - 0
-#      - 1
-#      - 8
-#      - 9
-#  - hostname: pvchv3
-#    osd_cset:
-#      - 0
-#      - 1
-#      - 8
-#      - 9
-
 # Configuration file networks
 # > Taken from base.yml's configuration; DO NOT MODIFY THIS SECTION.
 pvc_upstream_device: "{{ networks['upstream']['device'] }}"