RBAC: scrub enterprise reference from rbac-force-fallback server-change note

Author: matt-aitken

.server-changes/rbac-force-fallback.md

@@ -3,4 +3,4 @@ area: webapp
 type: improvement
 ---
 
-RBAC plugin: add RBAC_FORCE_FALLBACK env var so tests can pin the loader to the OSS fallback without depending on whether the enterprise plugin is installed.
+RBAC plugin: add RBAC_FORCE_FALLBACK env var so tests can pin the loader to the default fallback without depending on whether a plugin happens to be installed in node_modules.