Update development configuration for Kayobe 3.0.0 pike release

We no longer need to explicitly set the openstack release, or override the container
image build configuration for ironic.

dev/dev-vagrant.yml

@@ -17,24 +17,6 @@ kayobe_ansible_user: vagrant
 # Set an interface name for LLDP discovery.
 inspector_lldp_switch_port_interface_default: eth0
 
-# Use the 4.0.2 release of kolla and kolla-ansible.
-kolla_openstack_release: 4.0.2
-
-# Kolla container image extensions.
-kolla_build_blocks:
- ironic_base_footer: |
-   # Install a more recent version of ironic-lib with a fix for
-   # https://bugs.launchpad.net/ironic/+bug/1673731.
-   RUN pip install -U --no-deps ironic-lib==2.7.0
-
-# Kolla container image customisations.
-kolla_build_customizations:
-  ironic_conductor_packages_append:
-    # e2fsprogs is required to create ext ephemeral filesystems.
-    - 'e2fsprogs'
-    # xfsprogs is required to create XFS ephemeral filesystems.
-    - 'xfsprogs'
-
 # Disable swift.
 kolla_enable_swift: False