[Jenkins] Remove clang minimal image and use full instead.

Clang minimal image was outdated and is not required anymore.
On the old image an old Conan version was installed which had
this bug:

https://github.com/conan-io/conan/issues/5055

Which lead Sanitizer-jobs to fail...

Jenkinsfile

@@ -657,7 +657,7 @@ pipeline {
           }
           agent {
             dockerfile {
-              filename 'Dockerfile.clang.minimal'
+              filename 'Dockerfile.clang.full'
               dir 'scripts/docker'
               label 'docker'
               args '-v /home/jenkins/cache/ccache:/opt/ccache -v /home/jenkins/cache/conan/.conan:/opt/conan/.conan'

scripts/docker/Dockerfile.clang.minimal

-FROM ubuntu:18.04
-
-# Generated with https://github.com/ufz/ogs-container-maker/commit/cb0c25d
-
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        wget \
-        tar \
-        curl && \
-    rm -rf /var/lib/apt/lists/*
-
-# LLVM compiler
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        clang-7 && \
-    rm -rf /var/lib/apt/lists/*
-RUN update-alternatives --install /usr/bin/clang clang $(which clang-7) 30 && \
-    update-alternatives --install /usr/bin/clang++ clang++ $(which clang++-7) 30
-
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        clang-tidy-7 \
-        clang-format-7 && \
-    rm -rf /var/lib/apt/lists/*
-
-# OGS base building block
-# Python
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        python3 \
-        libpython3-dev && \
-    rm -rf /var/lib/apt/lists/*
-# pip
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        python3-pip \
-        python3-setuptools \
-        python3-wheel && \
-    rm -rf /var/lib/apt/lists/*
-RUN pip3 install --upgrade pip
-# pip
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        python3-pip \
-        python3-setuptools \
-        python3-wheel && \
-    rm -rf /var/lib/apt/lists/*
-RUN pip3 install virtualenv
-# CMake version 3.13.4
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        wget && \
-    rm -rf /var/lib/apt/lists/*
-RUN mkdir -p /var/tmp && wget -q -nc --no-check-certificate -P /var/tmp https://cmake.org/files/v3.13/cmake-3.13.4-Linux-x86_64.sh && \
-    /bin/sh /var/tmp/cmake-3.13.4-Linux-x86_64.sh --prefix=/usr/local --skip-license && \
-    rm -rf /var/tmp/cmake-3.13.4-Linux-x86_64.sh
-RUN apt-get update && \
-    curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends software-properties-common && \
-    apt-add-repository ppa:git-core/ppa -y && \
-    apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        git \
-        git-lfs \
-        make \
-        ninja-build && \
-    rm -rf /var/lib/apt/lists/*
-RUN git lfs install && \
-    mkdir -p /apps /scratch /lustre /work /projects
-
-# Package manager Conan building block
-# pip
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        python3-pip \
-        python3-setuptools \
-        python3-wheel && \
-    rm -rf /var/lib/apt/lists/*
-RUN pip3 install conan==1.12.2
-RUN mkdir -p /opt/conan && \
-    chmod 777 /opt/conan
-ENV CONAN_USER_HOME=/opt/conan
-LABEL org.opengeosys.pm=conan \
-    org.opengeosys.pm.conan.user_home=/opt/conan \
-    org.opengeosys.pm.conan.version=1.12.2
-
-# Package manager Conan building block
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        ccache && \
-    rm -rf /var/lib/apt/lists/*
-RUN mkdir -p /opt/cache && chmod 777 /opt/cache
-ENV CCACHE_DIR=/opt/cache \
-    CCACHE_MAXSIZE=15G \
-    CCACHE_SLOPPINESS=pch_defines,time_macros
-LABEL ccache.dir=/opt/cache \
-    ccache.size=15G
-
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        sudo && \
-    rm -rf /var/lib/apt/lists/*
-
-# Jenkins node
-RUN groupadd --gid 1001 jenkins && \
-    adduser --uid 500 --gid 1001 --disabled-password --gecos "" jenkins && \
-    echo "jenkins ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers && \
-    echo "jenkins:jenkins" | chpasswd
-USER jenkins
-WORKDIR /home/jenkins