Drop legacy-base from manila-test-image-build

We don't need the legacy and deprecated zuul-cloner
approach if we rewrite the job in native zuulv3 style.

Change-Id: Ifc6d592b8b7cf0e802ee11be837ebd4a3b55ea9b
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

.zuul.yaml

@@ -1,8 +1,10 @@
 - job:
     name: manila-test-image-build
-    parent: legacy-base
+    parent: unittests
+    required-projects:
+      - openstack/manila-test-image
     run: playbooks/manila-test-image-build/run.yaml
-    timeout: 3600
+    timeout: 1800
 
 - project:
     check:

playbooks/manila-test-image-build/run.yaml

@@ -1,49 +1,6 @@
 - hosts: all
-  name: Autoconverted job legacy-manila-test-image-build from old job gate-manila-test-image-build
-  roles:
-    - bindep
-
   tasks:
-
-    - name: Ensure legacy workspace directory
-      file:
-        path: '{{ ansible_user_dir }}/workspace'
-        state: directory
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          CLONEMAP=`mktemp`
-          function cleanup {
-              # In cases where zuul-cloner is aborted during a git
-              # clone operation, git will remove the git work tree in
-              # its cleanup. The work tree in these jobs is the
-              # workspace directory, which means that subsequent
-              # jenkins post-build actions can not run because the
-              # workspace has been removed.
-              # To reduce the likelihood of this having an impact,
-              # recreate the workspace directory if needed
-              mkdir -p $WORKSPACE
-              rm -f $CLONEMAP
-          }
-          trap cleanup EXIT
-          cat > $CLONEMAP << EOF
-          clonemap:
-            - name: $ZUUL_PROJECT
-              dest: .
-          EOF
-          /usr/zuul-env/bin/zuul-cloner -m $CLONEMAP --cache-dir /opt/git \
-              https://opendev.org $ZUUL_PROJECT
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
-
-    - shell:
-        cmd: |
-          set -e
-          set -x
-          ./run-buildroot.sh
-        executable: /bin/bash
-        chdir: '{{ ansible_user_dir }}/workspace'
-      environment: '{{ zuul | zuul_legacy_vars }}'
+    - name:  Build manila-test-image
+      command: bash -xe ./run-buildroot.sh
+      args:
+        chdir: '{{ zuul.project.src_dir }}'