Fix: Use accel_profile=flat instead of force_no_accel for proper pointer behavior (#5479)

* Replace force_no_accel with accel_profile

* Correct comment

config/hypr/input.conf

@@ -19,8 +19,8 @@ input {
   # Increase sensitivity for mouse/trackpad (default: 0)
   # sensitivity = 0.35
 
-  # Turn off mouse acceleration (default: false)
-  # force_no_accel = true
+  # Turn off mouse acceleration (default: adaptive)
+  # accel_profile = flat
 
   touchpad {
     # Use natural (inverse) scrolling