Fix user deletion message in Dockerfile

Author: sireeshajonnalagadda

src/base-ubuntu/.devcontainer/Dockerfile

@@ -8,7 +8,7 @@ RUN if [ "$VARIANT" = "noble" ] || [ "$VARIANT" = "resolute" ]; then \
     if id "ubuntu" &>/dev/null; then \
         echo "Deleting user 'ubuntu'  for $VARIANT" && userdel -f -r ubuntu || echo "Failed to delete ubuntu user for $VARIANT"; \
     else \
-
+         echo "User 'ubuntu' does not exist for $VARIANT"; \ 
     fi; \
     fi
 
@@ -21,4 +21,4 @@ RUN apt-get update \
     && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y reinstall --no-install-recommends tzdata \
     && echo "Etc/UTC" > /etc/timezone \
-    && rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/*