drm_hwcomposer: Remove DrmDisplayCompositor:CreateInitializedComposition

Remove unused functionality.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>
diff --git a/compositor/DrmDisplayCompositor.cpp b/compositor/DrmDisplayCompositor.cpp
index bff88bc..b3a4302 100644
--- a/compositor/DrmDisplayCompositor.cpp
+++ b/compositor/DrmDisplayCompositor.cpp
@@ -54,18 +54,6 @@
   return 0;
 }
 
-std::unique_ptr<DrmDisplayComposition>
-DrmDisplayCompositor::CreateInitializedComposition() const {
-  DrmDevice *drm = resource_manager_->GetDrmDevice(display_);
-  DrmCrtc *crtc = drm->GetCrtcForDisplay(display_);
-  if (!crtc) {
-    ALOGE("Failed to find crtc for display = %d", display_);
-    return {};
-  }
-
-  return std::make_unique<DrmDisplayComposition>(crtc);
-}
-
 // NOLINTNEXTLINE (readability-function-cognitive-complexity): Fixme
 auto DrmDisplayCompositor::CommitFrame(AtomicCommitArgs &args) -> int {
   ATRACE_CALL();
diff --git a/compositor/DrmDisplayCompositor.h b/compositor/DrmDisplayCompositor.h
index e7899ed..9679520 100644
--- a/compositor/DrmDisplayCompositor.h
+++ b/compositor/DrmDisplayCompositor.h
@@ -58,8 +58,6 @@
   ~DrmDisplayCompositor() = default;
   auto Init(ResourceManager *resource_manager, int display) -> int;
 
-  std::unique_ptr<DrmDisplayComposition> CreateInitializedComposition() const;
-
   auto ExecuteAtomicCommit(AtomicCommitArgs &args) -> int;
 
   DrmDisplayCompositor(const DrmDisplayCompositor &) = delete;