Remove initial scope from RN docs (#4851)

Author: marandaneto

src/platforms/common/configuration/options.mdx

@@ -312,7 +312,7 @@ The number of context lines for each frame when loading a file.
 
 </ConfigKey>
 
-<ConfigKey name="initial-scope" supported={["javascript","node"]}>
+<ConfigKey name="initial-scope" supported={["javascript","node"]} notSupported={["react-native"]}>
 
 Data to be set to the initial scope. Initial scope can be defined either as an object or a callback function, as shown below.