ci: Update x86_64-gnu-nopt to ubuntu:22.04

Author: cuviper

Diff for: src/ci/docker/host-x86_64/x86_64-gnu-nopt/Dockerfile

@@ -1,7 +1,8 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 # Avoid interactive prompts while installing `tzdata` dependency with `DEBIAN_FRONTEND`.
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
   ninja-build \
@@ -18,9 +19,6 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
   xz-utils \
   && rm -rf /var/lib/apt/lists/*
 
-COPY scripts/cmake.sh /scripts/
-RUN /scripts/cmake.sh
-
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh