Revert "drm_hwcomposer: Fall back to client compositon if the gl precompostior fails"

This reverts commit acc4dcf1787b9fc43c5748ce06e79f045e07a3ff.
diff --git a/drmhwctwo.cpp b/drmhwctwo.cpp
index dee7401..617467a 100644
--- a/drmhwctwo.cpp
+++ b/drmhwctwo.cpp
@@ -682,13 +682,6 @@
         layer.set_validated_type(HWC2::Composition::Client);
         ++*num_types;
         break;
-      case HWC2::Composition::Device:
-        if (!compositor_.uses_GL()) {
-          layer.set_validated_type(HWC2::Composition::Client);
-          ++*num_types;
-          break;
-        }
-	/* fall through */
       default:
         layer.set_validated_type(layer.sf_type());
         break;