fix: remove unnecessary cast

Author: gagik

packages/service-provider-core/src/printable-bson.ts

@@ -30,7 +30,7 @@ function makeClasslessInspect<K extends BSONClassKey>(
     ...args: Parameters<typeof originalInspect>
   ) {
     return removeNewFromInspectResult(originalInspect.apply(this, args));
-  } as CustomInspectFunction;
+  };
 }
 
 const binaryInspect = makeClasslessInspect('Binary');