Update gear_git_dest location

Stop using /opt folder to store the location of git checkout. We don't
actually need to be root user to do that.

Change-Id: I96c71c03ecd7ce644a4ddfc5ee4a19a42f83890f
Depends-On: https://review.openstack.org/553100
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

defaults/main.yaml

@@ -25,7 +25,7 @@ gear_user_group: gear
 gear_user_home: /var/lib/gear
 
 # tasks/install.yaml
-gear_git_dest: /opt/ansible-role-gear/git/openstack-infra/gear
+gear_git_dest: "{{ ansible_user_dir }}/src/git.openstack.org/openstack-infra/gear"
 gear_git_uri: https://git.openstack.org/openstack-infra/gear
 gear_git_version: master
 # gear_git_refspec:

tasks/install/git.yaml

@@ -13,7 +13,6 @@
 # under the License.
 ---
 - name: Git clone gear.
-  become: yes
   git:
     dest: "{{ gear_git_dest }}"
     refspec: "{{ gear_git_refspec|default(omit) }}"

tests/test.yaml

@@ -14,7 +14,6 @@
 ---
 - hosts: all
   vars:
-    gear_git_dest: "{{ ansible_user_dir }}/src/git.openstack.org/openstack-infra/gear"
     gear_git_update: false
     rolename: ansible-role-gearman