message: build: remove unused include dir from clang package
diff: @@ -16,7 +16,6 @@ endef
  define $(package)_stage_cmds
  mkdir -p $($(package)_staging_prefix_dir)/lib/clang/$($(package)_version)/include && \
  mkdir -p $($(package)_staging_prefix_dir)/bin && \
  - mkdir -p $($(package)_staging_prefix_dir)/include && \
  cp bin/clang $($(package)_staging_prefix_dir)/bin/ && \
  cp -P bin/clang++ $($(package)_staging_prefix_dir)/bin/ && \
  cp bin/dsymutil $($(package)_staging_prefix_dir)/bin/$(host)-dsymutil && \
  @@ -24,7 +23,3 @@ define $(package)_stage_cmds
  cp lib/libLTO.so $($(package)_staging_prefix_dir)/lib/ && \
  cp -rf lib/clang/$($(package)_version)/include/* $($(package)_staging_prefix_dir)/lib/clang/$($(package)_version)/include/
  endef
  -
  -define $(package)_postprocess_cmds
  - rmdir include
  -endef
  