Arm backend: Remove running examples/arm/setup.sh in the github docker

This will move Arm PR testing to use an empty docker and
examples/arm/setup.sh will always run from a fresh setup when testing a
PR to minimize the risk of and old run of examples/arm/setup.sh done during docker creation colliding PR testing, or being out of sync with it.
The different runs of examples/arm/setup.sh also used different
install folders and that might break stuff even more.

Signed-off-by: Zingo Andersen <[email protected]>
Change-Id: I795078d3d764a3f7ad5d6043fb8b70290af5789f

Author: zingo

.ci/docker/ubuntu/Dockerfile

@@ -79,9 +79,6 @@ RUN if [ -n "${ANDROID_NDK_VERSION}" ]; then bash ./install_android.sh; fi
 RUN rm install_android.sh
 
 ARG ARM_SDK
-COPY --chown=ci-user:ci-user ./arm /opt/arm
-# Set up ARM SDK if needed
-RUN if [ -n "${ARM_SDK}" ]; then git config --global user.email "[email protected]"; git config --global user.name "OSS CI"; bash /opt/arm/setup.sh --i-agree-to-the-contained-eula /opt/arm-sdk; chown -R ci-user:ci-user /opt/arm-sdk; fi
 
 ARG QNN_SDK
 

.github/workflows/docker-builds.yml

@@ -7,8 +7,6 @@ on:
       - .ci/docker/**
       - .github/workflows/docker-builds.yml
       - requirements-lintrunner.txt
-      - examples/arm/setup.sh
-      - examples/arm/ethos-u-setup/**
   push:
     branches:
       - main
@@ -17,8 +15,6 @@ on:
       - .ci/docker/**
       - .github/workflows/docker-builds.yml
       - requirements-lintrunner.txt
-      - examples/arm/setup.sh
-      - examples/arm/ethos-u-setup/**
   schedule:
     - cron: 1 3 * * 3