lib: stm32wb hci: cleanup unused header files

Due to header reorganization, some header files are no more
used by library. Remove them to ease maintenance.
For hw_conf.h, app_conf.h should be modified to remove dependency.
Document this fix in README.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
5 files changed
tree: 47ce6d75ccd0433d201a8d01f8fb0dc2bdb64d52
  1. CMakeLists.txt
  2. README.rst
  3. lib/
  4. scripts/
  5. stm32cube/
  6. zephyr/