Remove the read and typing indication on startup (#812)

* fix: remove the read and typing indication

* fix: set default value in preferences_app_protection.xml

app/src/main/java/org/thoughtcrime/securesms/onboarding/LandingActivity.kt

@@ -23,8 +23,6 @@ class LandingActivity : BaseActionBarActivity() {
         findViewById<View>(R.id.linkButton).setOnClickListener { link() }
         IdentityKeyUtil.generateIdentityKeyPair(this)
         TextSecurePreferences.setPasswordDisabled(this, true)
-        TextSecurePreferences.setReadReceiptsEnabled(this, true)
-        TextSecurePreferences.setTypingIndicatorsEnabled(this, true)
         // AC: This is a temporary workaround to trick the old code that the screen is unlocked.
         KeyCachingService.setMasterSecret(applicationContext, Object())
     }

app/src/main/res/xml/preferences_app_protection.xml

@@ -70,7 +70,7 @@
             android:summary="@string/preferences__if_read_receipts_are_disabled_you_wont_be_able_to_see_read_receipts"/>
 
         <org.thoughtcrime.securesms.components.SwitchPreferenceCompat
-            android:defaultValue="true"
+            android:defaultValue="false"
             android:key="pref_typing_indicators"
             android:title="@string/preferences__typing_indicators"
             android:summary="@string/preferences__if_typing_indicators_are_disabled_you_wont_be_able_to_see_typing_indicators"/>