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: I4ff1d51d78f5414d1029ac9ba773d98bd1dcbcda

doc/source/index.rst

@@ -16,10 +16,12 @@ Default variables
    :language: yaml
    :start-after: under the License.
 
-Required variables
-~~~~~~~~~~~~~~~~~~
+Dependencies
+~~~~~~~~~~~~
 
-This list is not exhaustive. See role internals for further details.
+This role needs pip >= 7.1 installed on the target host.
+
+To use this role, define the following variables:
 
 .. code-block:: yaml
 
@@ -44,6 +46,8 @@ This list is not exhaustive. See role internals for further details.
     # Magnum rabbit vhost
     magnum_rabbitmq_vhost: /magnum
 
+This list is not exhaustive. See role internals for further details.
+
 Example playbook
 ~~~~~~~~~~~~~~~~
 

meta/main.yml

@@ -41,7 +41,6 @@ galaxy_info:
    - magnum
 
 dependencies:
-  - pip_install
   - role: apt_package_pinning
     when:
       - ansible_pkg_mgr == 'apt'