Remove Linux sysctls that are getting overwritten.

This removes the settings for vm.dirty_writeback_centisecs and vm.laptop_mode because they are getting overwritten, which makes the task always report yellow. I suspect that TLP is overwriting them but I have not confirmed.

ansible/roles/base/tasks/linux.yaml

@@ -36,23 +36,3 @@
   loop:
     - src: mount_disk_image
       dest: /usr/local/bin/mount_disk_image
-
-- name: Configure sysctls
-  sysctl:
-    name: "{{ item.name }}"
-    value: "{{ item.value }}"
-    state: present
-    sysctl_file: /etc/sysctl.d/dirty.conf
-  loop:
-    - name: vm.dirty_writeback_centisecs
-      value: 2000 # Default is 500 (5 seconds)
-
-- name: Configure sysctls
-  sysctl:
-    name: "{{ item.name }}"
-    value: "{{ item.value }}"
-    state: present
-    sysctl_file: /etc/sysctl.d/laptop.conf
-  loop:
-    - name: vm.laptop_mode
-      value: 5