chore: respond to PR: don't add dev target

web/Dockerfile is only used by docker-compose.dev.yml so a dev target is redundant. Instead, just remove the copy

docker/docker-compose.dev.yml

@@ -55,7 +55,6 @@ services:
     image: immich-web-dev:latest
     build:
       context: ../web
-      target: dev
     command: ['/usr/src/app/bin/immich-web']
     env_file:
       - .env

web/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.17.0-alpine3.20@sha256:2d07db07a2df6830718ae2a47db6fedce6745f5bcd174c398f2acdda90a11c03 AS dev
+FROM node:20.17.0-alpine3.20@sha256:2d07db07a2df6830718ae2a47db6fedce6745f5bcd174c398f2acdda90a11c03
 
 RUN apk add --no-cache tini
 USER node
@@ -9,6 +9,3 @@ ENV CHOKIDAR_USEPOLLING=true
 EXPOSE 24678
 EXPOSE 3000
 ENTRYPOINT ["/sbin/tini", "--", "/bin/sh"]
-
-FROM dev
-COPY --chown=node:node . .