Remove FLATPAK_ENABLE_EXPERIMENTAL_OCI envvar check

Now that appstream data and icons are retrievded from the index, the OCI
code is expected to be fully usable, and to work with registries as they
will actually be deployed.

Closes: #1910
Approved by: alexlarsson

app/flatpak-builtins-add-remote.c

@@ -374,9 +374,6 @@ flatpak_builtin_add_remote (int argc, char **argv,
       opt_url = remote_url;
     }
 
-  if (opt_oci && g_getenv ("FLATPAK_ENABLE_EXPERIMENTAL_OCI") == NULL)
-    return flatpak_fail (error, "flatpak remote-add --oci is currently unsupported and experimental, enable it by setting the FLATPAK_ENABLE_EXPERIMENTAL_OCI env var");
-
   /* Default to gpg verify, except for --oci */
   if (!opt_no_gpg_verify && !opt_oci)
     opt_do_gpg_verify = TRUE;

tests/test-oci-registry.sh

@@ -21,8 +21,6 @@ set -euo pipefail
 
 . $(dirname $0)/libtest.sh
 
-export FLATPAK_ENABLE_EXPERIMENTAL_OCI=1
-
 skip_without_bwrap
 
 echo "1..7"

tests/test-oci.sh

@@ -21,8 +21,6 @@ set -euo pipefail
 
 . $(dirname $0)/libtest.sh
 
-export FLATPAK_ENABLE_EXPERIMENTAL_OCI=1
-
 skip_without_bwrap
 
 echo "1..2"