tests: remove debootstrap install

This is not needed on the host any more; it's part of the
nodepool-builder container.

Change-Id: I56564d58fe6193c21294aacbf9f769bba2142ec7

.zuul.d/jobs.yaml

@@ -106,7 +106,6 @@
       containerfile with Nodepool and OpenStack (using released
       libraries)
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_debug: true
       nodepool_diskimage:
@@ -119,7 +118,6 @@
       Test building and booting an Ubuntu xenial image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: ubuntu-minimal
@@ -136,7 +134,6 @@
       Test building and booting an Ubuntu bionic image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: ubuntu-minimal
@@ -153,7 +150,6 @@
       Test building and booting an Ubuntu focal image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: ubuntu-minimal
@@ -182,7 +178,6 @@
       Test building and booting a Debian stretch image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: debian-minimal
@@ -199,7 +194,6 @@
       Test building and booting a Debian bullseye image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: debian-minimal
@@ -216,7 +210,6 @@
       Test building and booting a Debian buster image with Nodepool
       and OpenStack
     parent: dib-nodepool-functional-src-base
-    pre-run: playbooks/dib-nodepool/debootstrap.yaml
     vars:
       nodepool_diskimage:
         base_element: debian-minimal

playbooks/dib-nodepool/debootstrap.yaml

@@ -1,9 +0,0 @@
-- hosts: all
-  tasks:
-    # We need a fixed debootstrap
-    # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901977
-    - name: Install updated debootstrap repo
-      become: true
-      shell: |
-        add-apt-repository ppa:openstack-ci-core/debootstrap
-        apt-get update