ubuntu-distro: Dockerfile

- Remove nano from the image as intention is to keep only those packages which are required with SDK Installer.

Signed-off-by: Chirag Shilwant <c-shilwant@ti.com>

ubuntu-distro/Dockerfile

@@ -3,7 +3,7 @@ FROM $BASE_DISTRO
 LABEL org.opencontainers.image.source https://github.com/cshilwant/docker-images/ubuntu
 RUN export DEBIAN_FRONTEND=noninteractive; apt-get update
 RUN export DEBIAN_FRONTEND=noninteractive; \
-         apt-get install -y --no-install-recommends file build-essential autoconf automake bison flex libssl-dev bc u-boot-tools swig python3 python3-pip wget nano device-tree-compiler python3-dev && \
+         apt-get install -y --no-install-recommends file build-essential autoconf automake bison flex libssl-dev bc u-boot-tools swig python3 python3-pip wget device-tree-compiler python3-dev && \
          pip3 install jsonschema pyelftools PyYAML && \
          rm -rf /var/lib/apt/lists/*