Remove pip_install dependency

With addition of pip_install on every node, we don't
need to have pip_install as a meta dependency.

Depends-On: If3412bb888ebb854874bbc43eb76bfcb3e4a7868
Depends-On: I79ff70c438b44753be2a93f004ebbc46de0a963d
Change-Id: Ia7612ad0ef2652ccdaa7370027c8f1fe5e8376fe

doc/source/index.rst

@@ -23,12 +23,10 @@ Default variables
    :language: yaml
    :start-after: under the License.
 
+Dependencies
+~~~~~~~~~~~~
 
-Required variables
-~~~~~~~~~~~~~~~~~~
-
-None.
-
+This role needs pip >= 7.1 installed on the target host.
 
 Example playbook
 ~~~~~~~~~~~~~~~~
@@ -36,9 +34,8 @@ Example playbook
 .. literalinclude:: ../../examples/playbook.yml
    :language: yaml
 
-
 Tags
-====
+~~~~
 
 This role supports the ``ironic-install`` and ``ironic-config`` tags.
 Use the ``ironic-install`` tag to install and upgrade. Use the

meta/main.yml

@@ -28,7 +28,6 @@ galaxy_info:
   - baremetal
   - system
 dependencies:
-  - pip_install
   - role: apt_package_pinning
     when:
       - ansible_pkg_mgr == 'apt'