drm/i915/dsi: Remove weird has_pch_encoder asserts

No idea why the DSI code is feeling the need to assert that
has_pch_encoder must not be set. PCH encoders aren't even a
thing on any platform that has DSI.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230608203057.23759-14-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/display/icl_dsi.c

@@ -1245,8 +1245,6 @@ static void gen11_dsi_enable(struct intel_atomic_state *state,
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 
-	drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
-
 	/* Wa_1409054076:icl,jsl,ehl */
 	icl_apply_kvmr_pipe_a_wa(encoder, crtc->pipe, true);
 

drivers/gpu/drm/i915/display/vlv_dsi.c

@@ -817,8 +817,6 @@ static void bxt_dsi_enable(struct intel_atomic_state *state,
 			   const struct intel_crtc_state *crtc_state,
 			   const struct drm_connector_state *conn_state)
 {
-	drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
-
 	intel_crtc_vblank_on(crtc_state);
 }