Fix #2376: remove extra "to" in error (#2402)

packages/insomnia-app/app/ui/components/editors/body/graph-ql-editor.js

@@ -303,7 +303,7 @@ class GraphQLEditor extends React.PureComponent<Props, State> {
     } catch (err) {
       console.log('[graphql] ERROR: Failed to fetch schema', err);
       newState.schemaFetchError = {
-        message: `Failed to to fetch schema: ${err.message}`,
+        message: `Failed to fetch schema: ${err.message}`,
         response: responsePatch,
       };
     }