fix version of llvm - partial revert dashpay#5375

Author: knst

contrib/containers/ci/Dockerfile

@@ -114,7 +114,9 @@ RUN apt-get update && apt-get install $APT_ARGS \
     valgrind \
     wine-stable \
     wine64 \
-    xorriso
+    xorriso \
+    && rm -rf /var/lib/apt/lists/*
+
 
 ARG CPPCHECK_VERSION=2.10
 RUN curl -sL "https://github.com/danmar/cppcheck/archive/${CPPCHECK_VERSION}.tar.gz" | tar -xvzf - --directory /tmp/
@@ -138,20 +140,6 @@ RUN \
   update-alternatives --set x86_64-w64-mingw32-g++  /usr/bin/x86_64-w64-mingw32-g++-posix; \
   exit 0
 
-ARG LLVM_VERSION=15
-# Setup Clang+LLVM support
-RUN apt-get update && apt-get install $APT_ARGS \
-    lsb-release \
-    software-properties-common \
-    gnupg \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN cd /tmp && \
-    wget https://apt.llvm.org/llvm.sh && \
-    chmod +x llvm.sh && \
-    /tmp/llvm.sh ${LLVM_VERSION} && \
-    rm -rf /tmp/llvm.sh
-
 RUN \
   mkdir -p /src/dash && \
   mkdir -p /cache/ccache && \