[internals][types] Fix a couple of minor issues

lib/modules/admob/index.js

@@ -101,10 +101,6 @@ export default class AdMob extends ModuleBase {
   rewarded(adUnit: string): RewardedVideo {
     return new RewardedVideo(this, adUnit);
   }
-
-  get namespace(): string {
-    return 'firebase:admob';
-  }
 }
 
 export const statics = {

lib/modules/auth/User.js

@@ -1,4 +1,4 @@
-getNativeModule(this._auth)/**
+/**
  * @flow
  * User representation wrapper
  */

lib/modules/auth/index.js

@@ -342,10 +342,6 @@ export default class Auth extends ModuleBase {
     return this._user;
   }
 
-  get namespace(): string {
-    return 'firebase:auth';
-  }
-
   /**
    * KNOWN UNSUPPORTED METHODS
    */

lib/modules/core/firebase.js

@@ -42,7 +42,7 @@ import type {
 
 const FirebaseCoreModule = NativeModules.RNFirebase;
 
-class FirebaseCore {
+class Firebase {
   admob: AdMobModule;
   analytics: AnalyticsModule;
   auth: AuthModule;
@@ -114,4 +114,4 @@ class FirebaseCore {
   }
 }
 
-export default new FirebaseCore();
+export default new Firebase();

lib/modules/database/disconnect.js

@@ -2,7 +2,8 @@
  * @flow
  * Disconnect representation wrapper
  */
-import { typeOf } from './../../utils';
+import { typeOf } from '../../utils';
+import { getNativeModule } from '../../utils/native';
 import type Database from './';
 import type Reference from './reference';
 
@@ -32,7 +33,7 @@ export default class Disconnect {
    * @returns {*}
    */
   set(value: string | Object): Promise<void> {
-    return this._database._native.onDisconnectSet(this.path, { type: typeOf(value), value });
+    return getNativeModule(this._database).onDisconnectSet(this.path, { type: typeOf(value), value });
   }
 
   /**
@@ -41,7 +42,7 @@ export default class Disconnect {
    * @returns {*}
    */
   update(values: Object): Promise<void> {
-    return this._database._native.onDisconnectUpdate(this.path, values);
+    return getNativeModule(this._database).onDisconnectUpdate(this.path, values);
   }
 
   /**
@@ -49,7 +50,7 @@ export default class Disconnect {
    * @returns {*}
    */
   remove(): Promise<void> {
-    return this._database._native.onDisconnectRemove(this.path);
+    return getNativeModule(this._database).onDisconnectRemove(this.path);
   }
 
   /**
@@ -57,6 +58,6 @@ export default class Disconnect {
    * @returns {*}
    */
   cancel(): Promise<void> {
-    return this._database._native.onDisconnectCancel(this.path);
+    return getNativeModule(this._database).onDisconnectCancel(this.path);
   }
 }

lib/modules/database/index.js

@@ -1,4 +1,4 @@
-getNativeModule(this)/**
+/**
  * @flow
  * Database representation wrapper
  */