chore(Taskfile): remove demo Docker build and run tasks to simplify configuration

Taskfile.yml

@@ -220,24 +220,11 @@ tasks:
                   -f {{.DOCKERFILE}} \
                   {{.DOCKER_CONTEXT}}
 
-    build-demo-docker:
-        desc: Build Frontend-only Demo Docker image
-        cmds:
-            - task: build-docker
-              vars:
-                  DOCKERFILE: Dockerfile.demo
-                  DOCKER_IMAGE: reticulum-meshchatx-demo:local
-
     run-docker:
         desc: Run Docker container using docker-compose
         cmds:
             - 'MESHCHAT_IMAGE="{{.DOCKER_IMAGE}}" {{.DOCKER_COMPOSE_CMD}} -f {{.DOCKER_COMPOSE_FILE}} up --remove-orphans --pull never reticulum-meshchatx'
 
-    run-demo-docker:
-        desc: Run Frontend-only Demo Docker container
-        cmds:
-            - 'MESHCHAT_DEMO_IMAGE="reticulum-meshchatx-demo:local" {{.DOCKER_COMPOSE_CMD}} -f docker-compose.demo.yml up --remove-orphans'
-
     docker-build-env:
         desc: Build the Docker image for containerized builds
         cmds: