remove semicolons from kotlin snippets (#423)

Author: thatfiredev

analytics/app/src/main/java/com/google/firebase/example/analytics/kotlin/MainActivity.kt

@@ -286,7 +286,7 @@ class MainActivity :
         // The onImpressionSuccess will be reported when the rewarded video and interstitial ad is
         // opened.
         // For banners, the impression is reported on load success. Log.d(TAG, "onImpressionSuccess" +
-        // impressionData);
+        // impressionData)
         firebaseAnalytics = Firebase.analytics
         firebaseAnalytics.logEvent(FirebaseAnalytics.Event.AD_IMPRESSION) {
             param(FirebaseAnalytics.Param.AD_PLATFORM, "ironSource")

auth/app/src/main/java/com/google/firebase/quickstart/auth/kotlin/EmailPasswordActivity.kt

@@ -31,7 +31,7 @@ class EmailPasswordActivity : Activity() {
         // Check if user is signed in (non-null) and update UI accordingly.
         val currentUser = auth.currentUser
         if(currentUser != null){
-            reload();
+            reload()
         }
     }
     // [END on_start_check_user]

auth/app/src/main/java/com/google/firebase/quickstart/auth/kotlin/MainActivity.kt

@@ -64,7 +64,7 @@ abstract class MainActivity : AppCompatActivity() {
 
             // The user's ID, unique to the Firebase project. Do NOT use this value to
             // authenticate with your backend server, if you have one. Use
-            // FirebaseUser.getToken() instead.
+            // FirebaseUser.getIdToken() instead.
             val uid = it.uid
         }
         // [END get_user_profile]

database/app/src/main/java/com/google/firebase/referencecode/database/kotlin/EmulatorSuite.kt

@@ -11,7 +11,7 @@ class EmulatorSuite {
         // 10.0.2.2 is the special IP address to connect to the 'localhost' of
         // the host computer from an Android emulator.
         val database = Firebase.database
-        database.useEmulator("10.0.2.2", 9000);
+        database.useEmulator("10.0.2.2", 9000)
         // [END rtdb_emulator_connect]
     }