CI: Remove the timezone change

As build will always generate the UTC=0 time, then it's no sense to switch local time zone.

.github/workflows/ubuntu-ci.yml

@@ -48,7 +48,7 @@ jobs:
  libpulse-dev libdbus-1-dev udev mtdev-tools webp libudev-dev libglm-dev libwayland-dev \
  libegl1-mesa-dev mesa-common-dev libgl1-mesa-dev libglu1-mesa-dev libgles2-mesa \
  libgles2-mesa-dev libmirclient-dev libproxy-dev \
- gcc-8 g++-8 libc6 libstdc++6 ntpdate tzdata \
+ gcc-8 g++-8 libc6 libstdc++6 \
  && update-alternatives --remove-all gcc \
  && update-alternatives --remove-all g++ \
  && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 80 \
@@ -100,14 +100,6 @@ jobs:
  echo "is_pull_request=false" >> $GITHUB_OUTPUT;
  fi
 
- - name: Set up time zone to UTC+3
- shell: bash
- run: |
- echo 'Europe/Moscow' | sudo tee /etc/timezone
- sudo dpkg-reconfigure --frontend noninteractive tzdata
- sudo ntpdate ntp.ubuntu.com
- echo $(TZ=Europe/Moscow date)
-
  - name: Download Qt
  if: matrix.config.qt_download
  uses: carlosperate/download-file-action@v2