Delete archlinux.docker

No longer works and blocks runnung the Jenkins job

dockerfiles/archlinux.docker

-FROM base/archlinux:latest
-ENV http_proxy http://xfelproxy.desy.de:3128
-ENV https_proxy http://xfelproxy.desy.de:3128
-RUN pacman -Syu --noconfirm
-RUN pacman -S --needed --noconfirm base-devel
-RUN pacman -S --noconfirm valgrind cppcheck doxygen procmail git gdb cmake
-# for ChimeraTK core libraries:
-RUN pacman -S --noconfirm boost libxml++2.6
-# for QtHardMon:
-RUN pacman -S --noconfirm qt5-base
-# for Python bindings:
-RUN pacman -S --noconfirm python python-numpy
-# for python testing
-RUN pacman -S --noconfirm python-pytest
-# for Matlab:
-RUN pacman -S --noconfirm libxmu tcsh libxrandr
-# for the FirmwareProgrammer
-RUN pacman -S --noconfirm ncurses
-# for projects which use dot graphs in doxygen
-RUN pacman -S --noconfirm graphviz
-# clang
-RUN pacman -S --noconfirm clang
-# for ApplicationCore
-RUN pacman -S --noconfirm hdf5
-# Python Sphinx for documentation of python bindings
-RUN pacman -S --noconfirm python-sphinx
-
-# Install lcov (from source, no package available)
-RUN pacman -S --noconfirm wget &&\
-    cd /root &&\
-    wget https://github.com/linux-test-project/lcov/releases/download/v1.13/lcov-1.13.tar.gz -O lcov-1.13.tar.gz &&\
-    tar xf lcov-1.13.tar.gz &&\
-    ls &&\
-    cd lcov-1.13 &&\
-    make -j5 install PREFIX=/usr
-
-# copy in lcov_cobertura
-ADD lcov-to-cobertura-xml /common/lcov_cobertura-1.6
-# add msk_jenkins user
-RUN useradd -u 30996 msk_jenkins