Cleaned out old compatibility check related to Debian 7

tasks/checks/compatibility-checks.yml

@@ -12,19 +12,3 @@
     - docker_enable_mount_flag_fix | bool
     - docker_daemon_config['live-restore'] is defined
     - docker_daemon_config['live-restore']
-
-
-# Issues related to specified URL http://pypi.python.org/simple/ which now must be https.
-- name: Compatibility check - Fail if PiP is required due to issues getting it to work smooth in Debian Wheezy
-  fail:
-    msg: >
-      Make sure Docker SDK, docker-compose etc is already in place before using
-      this role on a host running Debian Wheezy.
-  when:
-    - _docker_os_dist == "Debian"
-    - _docker_os_dist_major_version | int == 7
-    - docker_stack | bool or
-      docker_sdk | bool or
-      docker_pip_upgrade | bool or
-      (docker_compose | bool and not docker_compose_no_pip | bool) or
-      docker_additional_packages_pip|length > 0