build-setup.sh: Remove useless RUN /bin/bash

RUN /bin/bash should not be in a Dockerfile since RUN is only used at build
and /bin/bash will never return.

Change-Id: I24cbcc94fb5571e9c28e6771bb4a27d1ba104818
Signed-off-by: Frederic Jacob <fjacob@meta.com>
1 file changed