Remove archlinux dockerfile (#8990)

docker/community/archlinux/Dockerfile

@@ -1,36 +0,0 @@
-FROM archlinux/base AS build-env
-
-# Install requirements to bulid package
-RUN pacman -Syuq --noconfirm base-devel git
-
-# makepkg won't run as root, so setup a user and folder to run it.
-RUN useradd -m -g wheel build
-RUN mkdir /build
-RUN chown build:wheel /build
-USER build
-RUN ls -l
-RUN git clone https://aur.archlinux.org/powershell-bin.git /build/powershell-bin
-RUN cd /build/powershell-bin; \
-    makepkg -s
-RUN ls /build/powershell-bin
-
-FROM archlinux/base
-
-LABEL maintainer="PowerShell Community <powershellteam@hotmail.com>" \
-      readme.md="https://github.com/PowerShell/PowerShell/blob/master/docker/README.md" \
-      description="This Dockerfile will install the latest release of PS." \
-      org.label-schema.usage="https://github.com/PowerShell/PowerShell/tree/master/docker#run-the-docker-image-you-built" \
-      org.label-schema.url="https://github.com/PowerShell/PowerShell/blob/master/docker/README.md" \
-      org.label-schema.vcs-url="https://github.com/PowerShell/PowerShell" \
-      org.label-schema.name="powershell" \
-      org.label-schema.vendor="PowerShell" \
-      org.label-schema.schema-version="1.0" \
-      org.label-schema.docker.cmd="docker run ${IMAGE_NAME} pwsh -c '$psversiontable'" \
-      org.label-schema.docker.cmd.devel="docker run ${IMAGE_NAME}" \
-      org.label-schema.docker.cmd.test="docker run ${IMAGE_NAME} pwsh -c Invoke-Pester" \
-      org.label-schema.docker.cmd.help="docker run ${IMAGE_NAME} pwsh -c Get-Help"
-
-COPY --from=build-env /build/powershell-bin/*.xz /powershell-package/
-RUN ls /powershell-package/*
-RUN pacman -Syu --noconfirm libunwind; \
-    pacman -U --noconfirm /powershell-package/*.xz