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>
diff --git a/build-setup.sh b/build-setup.sh
index cc734e4..1dd5ed4 100755
--- a/build-setup.sh
+++ b/build-setup.sh
@@ -217,7 +217,6 @@
 
   USER ${USER}
   ENV HOME ${HOME}
-  RUN /bin/bash
 EOF
     )
 
@@ -269,7 +268,6 @@
 
   USER ${USER}
   ENV HOME ${HOME}
-  RUN /bin/bash
 EOF
     )
 fi