revert: remove PipeWire frame rate reduction

The 15fps frame rate reduction didn't help RDP lag - CPU usage was
only 4% so encoding wasn't the bottleneck. Reverting to default 25fps.

Author: Derek

ansible/roles/dfe_rdp/tasks/dconf.yml

@@ -30,48 +30,9 @@
     - ansible_facts['distribution'] in ['Fedora', 'Ubuntu']
     - dfe_has_gnome
 
-# ============================================================================
-# PIPEWIRE VIDEO FRAME RATE OPTIMIZATION
-# ============================================================================
-# Reduce video capture frame rate to lower CPU encoding load for software H.264
-# This helps when VA-API hardware encoding is not available (e.g., VirGL VMs)
-# Default PipeWire video rate is 25fps, we reduce to 15fps for dev workloads
-# (text editing, terminals, web browsing don't need high frame rates)
-
-- name: Create PipeWire config directory
-  ansible.builtin.file:
-    path: /etc/pipewire/pipewire.conf.d
-    state: directory
-    mode: '0755'
-  when:
-    - ansible_facts['distribution'] in ['Fedora', 'Ubuntu']
-    - dfe_has_gnome
-
-- name: Deploy PipeWire RDP optimization config
-  ansible.builtin.copy:
-    dest: /etc/pipewire/pipewire.conf.d/99-rdp-optimize.conf
-    mode: '0644'
-    content: |
-      # DFE RDP Optimization - Reduce video frame rate
-      # Lower frame rate = less CPU encoding load for software H.264
-      # Good for dev work (VSCode, terminals) - text doesn't need 60fps
-      # Change default.video.rate.num to 20 or 25 if scrolling feels choppy
-      context.properties = {
-          default.video.rate.num = 15
-          default.video.rate.denom = 1
-      }
-  register: pipewire_rdp_config
-  when:
-    - ansible_facts['distribution'] in ['Fedora', 'Ubuntu']
-    - dfe_has_gnome
-
 - name: Display dconf status
   ansible.builtin.debug:
-    msg: |
-      GNOME Remote Desktop optimizations applied:
-      - Animations disabled for RDP performance
-      - PipeWire video rate reduced to 15fps (saves CPU on software H.264 encoding)
-      - Reconnect RDP session for frame rate change to take effect
+    msg: "GNOME Remote Desktop configured via grdctl (system service mode) - animations disabled for RDP performance"
   when:
     - ansible_facts['distribution'] in ['Fedora', 'Ubuntu']
     - dfe_has_gnome