revert f0e72c69a0

revert Add locales support and set UTF-8 environment variables in Dockerfile

Dockerfile

@@ -58,9 +58,6 @@ RUN apt-get update \
         openssl \
         sudo \
         tini \
-        locales \
-    && echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen \
-    && locale-gen \
     && rm -rf /var/lib/apt/lists/* \
     && mkdir -p /var/run/sshd /var/lib/k8s-mgmt-pod /etc/ssh/sshd_config.d \
     && useradd --create-home --shell /bin/bash admin \
@@ -109,10 +106,6 @@ COPY entrypoint.sh /usr/local/bin/entrypoint.sh
 RUN chmod 0755 /usr/local/bin/entrypoint.sh \
     && chmod 0644 /etc/profile.d/20-k8s-tools-completion.sh
 
-ENV LANG=en_US.UTF-8
-ENV LANGUAGE=en_US:en
-ENV LC_ALL=en_US.UTF-8
-
 EXPOSE 2222 3000
 
 HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \