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: I11e7575c744d36bb9d0b0c7121e82275f8f82ab2

doc/source/index.rst

@@ -23,8 +23,10 @@ Example playbook
 .. literalinclude:: ../../examples/playbook.yml
    :language: yaml
 
-Required Variables
-~~~~~~~~~~~~~~~~~~
+Dependencies
+~~~~~~~~~~~~
+
+This role needs pip >= 7.1 installed on the target host.
 
 To use this role, define the following variables:
 

meta/main.yml

@@ -31,7 +31,6 @@ galaxy_info:
     - development
     - openstack
 dependencies:
-  - pip_install
   - role: apt_package_pinning
     when:
       - ansible_pkg_mgr == 'apt'