Remove raw-media-types config from Docker

Passing a list through an env var is not working
in configurator-pg

docker/Dockerfile

@@ -38,8 +38,7 @@ ENV PGRST_DB_URI= \
     PGRST_MAX_ROWS= \
     PGRST_PRE_REQUEST= \
     PGRST_ROLE_CLAIM_KEY=".role" \
-    PGRST_ROOT_SPEC= \
-    PGRST_RAW_MEDIA_TYPES=
+    PGRST_ROOT_SPEC=
 
 RUN groupadd -g 1000 postgrest && \
     useradd -r -u 1000 -g postgrest postgrest && \

docker/postgrest.conf

@@ -16,5 +16,3 @@ role-claim-key = "$(PGRST_ROLE_CLAIM_KEY)"
 max-rows = "$(PGRST_MAX_ROWS)"
 pre-request = "$(PGRST_PRE_REQUEST)"
 root-spec = "$(PGRST_ROOT_SPEC)"
-
-raw-media-types = "$(PGRST_RAW_MEDIA_TYPES)"