Correct tag for nova_compute_kvm_install tasks

These tasks should be tagged with 'nova-install' not 'nova-config'.

Closes-Bug: 1695846
Change-Id: I48e5f2adec7b53acc2054841f3f4c0ddad0f2015

tasks/drivers/kvm/nova_compute_kvm.yml

@@ -15,7 +15,7 @@
 
 - include: nova_compute_kvm_install.yml
   tags:
-    - nova-config
+    - nova-install
 
 - name: Add nova user to libvirtd group
   user:

tasks/drivers/kvm/nova_compute_kvm_install.yml

@@ -72,7 +72,6 @@
   when:
     - nova_get_venv | failed or nova_get_venv | skipped
   tags:
-    - nova-install
     - nova-pip-packages
 
 # TODO(cloudnull): use a package from pypi when its made available
@@ -93,5 +92,4 @@
   loop_control:
     loop_var: linkfiles
   tags:
-    - nova-install
     - nova-pip-packages