ci: Remove docker build target

It no longer exists.

.woodpecker/.oci-image-build.yml

@@ -1,6 +1,4 @@
 matrix:
-  TARGET:
-    - bot
   PLATFORM:
     - linux/amd64
 
@@ -16,7 +14,6 @@ steps:
       password:
         from_secret: docker_token
       dockerfile: Dockerfile
-      target: ${TARGET}
       repo: rg.fr-par.scw.cloud/hamburghammer/dchat/${TARGET}
       tags: latest
       pull_image: false
@@ -35,7 +32,6 @@ steps:
       password:
         from_secret: docker_token
       dockerfile: Dockerfile
-      target: ${TARGET}
       repo: rg.fr-par.scw.cloud/hamburghammer/dchat/${TARGET}
       tags: latest
       pull_image: false