Revert "flavours/linux: Add meta-openharmony layer"

This reverts commit 0ca61840.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

flavours/linux/bblayers.conf.sample

@@ -24,7 +24,6 @@ BBLAYERS ?= " \
   ##OEROOT##/../meta-zephyr/meta-zephyr-bsp \
   ##OEROOT##/../meta-zephyr/meta-zephyr-core \
   ##OEROOT##/../oniro/meta-oniro-core \
-  ##OEROOT##/../meta-openharmony \
   ##OEROOT##/../meta-freertos \
   ##OEROOT##/../meta-intel \
   ##OEROOT##/../meta-seco-intel \