fix: python2 leftover aliasing

Author: codebytere

tools/vnc-setup.sh

@@ -123,13 +123,9 @@ if [ "${INSTALL_NOVNC}" = "true" ] && [ ! -d "/usr/local/novnc" ]; then
     ln -s /usr/local/novnc/websockify-${WEBSOCKETIFY_VERSION} /usr/local/novnc/noVNC-${NOVNC_VERSION}/utils/websockify
     rm -f /tmp/websockify-install.zip /tmp/novnc-install.zip
 
-    novnc_python_package="python-is-python3"
-    novnc_numpy_package="python3-numpy"
-
-    if ! dpkg -s ${novnc_python_package} ${novnc_numpy_package} > /dev/null 2>&1; then
-        apt-get -y install --no-install-recommends ${novnc_python_package} ${novnc_numpy_package}
-    fi
-    sed -i -E 's/^python /python2 /' /usr/local/novnc/websockify-${WEBSOCKETIFY_VERSION}/run
+    # Install noVNC dependencies and use them.
+    check_packages python3-minimal python3-numpy
+    sed -i -E 's/^python /python3 /' /usr/local/novnc/websockify-${WEBSOCKETIFY_VERSION}/run
 fi 
 
 # Set up folders for scripts and init files