remove hardcoded openrouter provider

packages/opencode/src/provider/provider.ts

@@ -516,12 +516,6 @@ export namespace Provider {
         continue
       }
 
-      // TODO: set this in models.dev, not set due to breaking issues on older OC versions
-      // u have to set include usage to true w/ this provider, setting in models.dev would cause undefined issue when accessing usage in older versions
-      if (providerID === "openrouter") {
-        provider.info.npm = "@openrouter/ai-sdk-provider"
-      }
-
       log.info("found", { providerID, npm: provider.info.npm })
     }