flavors/linux/bblayers.conf.sample: Remove meta-qt5

Since https://git.ostc-eu.org/OSTC/OHOS/meta-av96/-/merge_requests/4


it is no longer needed.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

flavours/linux/bblayers.conf.sample

@@ -19,6 +19,5 @@ BBLAYERS ?= " \
   ##OEROOT##/../meta-openembedded/meta-python \
   ##OEROOT##/../meta-st-stm32mp \
   ##OEROOT##/../meta-st-stm32mp-addons \
-  ##OEROOT##/../meta-qt5 \
   ##OEROOT##/../meta-av96/meta-av96-core \
   "