tests/docker: Remove flex/bison packages

QEMU does not use flex/bison packages.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200515163029.12917-2-philmd@redhat.com>

tests/docker/dockerfiles/centos7.docker

@@ -5,13 +5,11 @@ RUN yum -y update
 
 # Please keep this list sorted alphabetically
 ENV PACKAGES \
-    bison \
     bzip2 \
     bzip2-devel \
     ccache \
     csnappy-devel \
     dbus-daemon \
-    flex \
     gcc-c++ \
     gcc \
     gettext \

tests/docker/dockerfiles/centos8.docker

@@ -3,11 +3,9 @@ FROM centos:8.1.1911
 RUN dnf -y update
 ENV PACKAGES \
     SDL-devel \
-    bison \
     bzip2 \
     bzip2-devel \
     dbus-daemon \
-    flex \
     gcc \
     gcc-c++ \
     gettext \

tests/docker/dockerfiles/debian-xtensa-cross.docker

@@ -11,11 +11,9 @@ RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
     apt-get install -y --no-install-recommends \
-        bison \
         build-essential \
         ca-certificates \
         curl \
-        flex \
         gettext \
         git \
         python3-minimal

tests/docker/dockerfiles/debian10.docker

@@ -18,12 +18,10 @@ RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
     apt install -y --no-install-recommends \
         bc \
-        bison \
         build-essential \
         ca-certificates \
         clang \
         dbus \
-        flex \
         gdb-multiarch \
         gettext \
         git \

tests/docker/dockerfiles/debian9.docker

@@ -18,11 +18,9 @@ RUN apt update && \
     DEBIAN_FRONTEND=noninteractive eatmydata \
     apt install -y --no-install-recommends \
         bc \
-        bison \
         build-essential \
         ca-certificates \
         clang \
-        flex \
         gdb-multiarch \
         gettext \
         git \

tests/docker/dockerfiles/fedora.docker

@@ -3,7 +3,6 @@ FROM fedora:30
 # Please keep this list sorted alphabetically
 ENV PACKAGES \
     bc \
-    bison \
     brlapi-devel \
     bzip2 \
     bzip2-devel \
@@ -13,7 +12,6 @@ ENV PACKAGES \
     dbus-daemon \
     device-mapper-multipath-devel \
     findutils \
-    flex \
     gcc \
     gcc-c++ \
     gettext \

tests/docker/dockerfiles/ubuntu.docker

@@ -10,7 +10,7 @@
 #
 
 FROM ubuntu:20.04
-ENV PACKAGES flex bison \
+ENV PACKAGES \
     ccache \
     clang \
     dbus \

tests/docker/dockerfiles/ubuntu1804.docker

@@ -1,5 +1,5 @@
 FROM ubuntu:18.04
-ENV PACKAGES flex bison \
+ENV PACKAGES \
     ccache \
     clang \
     gcc \