Switch from s3fs to Goofys

Improves performance of media store operations.

roles/matrix-server/tasks/setup_s3fs.yml

@@ -1,29 +1,5 @@
 #
-# Tasks related to setting up s3fs
-#
-
-- name: Ensure S3fs Docker image is pulled
-  docker_image:
-    name: "{{ docker_s3fs_image }}"
-  when: matrix_s3_media_store_enabled
-
-- name: Ensure s3fs-credentials file created
-  template:
-    src: "{{ role_path }}/templates/s3fs-credentials.j2"
-    dest: "{{ matrix_base_data_path }}/s3fs-credentials"
-    owner: root
-    mode: 0600
-  when: matrix_s3_media_store_enabled
-
-- name: Ensure matrix-s3fs.service installed
-  template:
-    src: "{{ role_path }}/templates/systemd/matrix-s3fs.service.j2"
-    dest: "/etc/systemd/system/matrix-s3fs.service"
-    mode: 0644
-  when: matrix_s3_media_store_enabled
-
-#
-# Tasks related to getting rid of s3fs (if it was previously enabled)
+# Tasks related to getting rid of s3fs (if it was previously installed)
 #
 
 - name: Check existence of matrix-s3fs service
@@ -33,22 +9,19 @@
 - name: Ensure matrix-s3fs is stopped
   service: name=matrix-s3fs state=stopped daemon_reload=yes
   register: stopping_result
-  when: "not matrix_s3_media_store_enabled and matrix_s3fs_service_stat.stat.exists"
+  when: "matrix_s3fs_service_stat.stat.exists"
 
 - name: Ensure matrix-s3fs.service doesn't exist
   file:
     path: "/etc/systemd/system/matrix-s3fs.service"
     state: absent
-  when: "not matrix_s3_media_store_enabled and matrix_s3fs_service_stat.stat.exists"
 
 - name: Ensure s3fs-credentials doesn't exist
   file:
     path: "{{ matrix_base_data_path }}/s3fs-credentials"
     state: absent
-  when: "not matrix_s3_media_store_enabled"
 
 - name: Ensure S3fs Docker image doesn't exist
   docker_image:
     name: "{{ docker_s3fs_image }}"
     state: absent
-  when: "not matrix_s3_media_store_enabled"