Bug 1718178 - Remove python 2.7 packages from non-test docker images. r=taskgraph-reviewers,jmaher

Differential Revision: https://phabricator.services.mozilla.com/D118783

taskcluster/docker/android-build/Dockerfile

@@ -22,11 +22,6 @@ RUN apt-get update && \
       less \
       openssh-client \
       procps \
-      python-cryptography \
-      python-dev \
-      python-pip \
-      python-setuptools \
-      python-virtualenv \
       python3-dev \
       rsync \
       screen \

taskcluster/docker/debian-base/Dockerfile

@@ -37,12 +37,10 @@ RUN /usr/local/sbin/setup_packages.sh $TASKCLUSTER_ROOT_URL $DOCKER_IMAGE_PACKAG
       make \
       mercurial \
       patch \
-      python \
       python3 \
       python3-distutils-extra \
       python3-minimal \
       python3-zstandard \
-      python-psutil \
       python3-psutil \
       vim-tiny \
       xz-utils

taskcluster/docker/debian-build/Dockerfile

@@ -36,10 +36,6 @@ RUN apt-get update && \
       libucl1 \
       p7zip-full \
       procps \
-      python-dev \
-      python-pip \
-      python-setuptools \
-      python-virtualenv \
       python3-dev \
       rsync \
       screen \

taskcluster/docker/decision/system-setup.sh

@@ -12,7 +12,6 @@ apt-get install -y --force-yes --no-install-recommends \
     python3 \
     python3-distutils-extra \
     python3-yaml \
-    python-psutil \
     python3-psutil
 
 BUILD=/root/build

taskcluster/docker/static-analysis-build/Dockerfile

@@ -39,10 +39,6 @@ RUN apt-get update && \
       patch \
       p7zip-full \
       procps \
-      python-dev \
-      python-pip \
-      python-setuptools \
-      python-virtualenv \
       python3-dev \
       rsync \
       screen \

taskcluster/docker/toolchain-build/Dockerfile

@@ -35,9 +35,6 @@ RUN apt-get update && \
       p7zip-full \
       pkg-config \
       procps \
-      python-pip \
-      python-setuptools \
-      python-virtualenv \
       python3-distutils-extra \
       python3-requests \
       python3-pytoml \