Let base activity configure bottom bar

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/MainActivity.kt

@@ -87,7 +87,6 @@ class MainActivity : SimpleActivity() {
     override fun onResume() {
         super.onResume()
         setupToolbar(main_toolbar)
-        updateNavigationBarColor(getBottomNavigationBackgroundColor())
 
         if (storedTextColor != getProperTextColor()) {
             (conversations_list.adapter as? ConversationsAdapter)?.updateTextColor(getProperTextColor())

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/SettingsActivity.kt

@@ -27,7 +27,6 @@ class SettingsActivity : SimpleActivity() {
     override fun onResume() {
         super.onResume()
         setupToolbar(settings_toolbar, NavigationIcon.Arrow)
-        updateNavigationBarColor(getBottomNavigationBackgroundColor())
 
         setupPurchaseThankYou()
         setupCustomizeColors()

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt

@@ -143,7 +143,6 @@ class ThreadActivity : SimpleActivity() {
     override fun onResume() {
         super.onResume()
         setupToolbar(thread_toolbar, NavigationIcon.Arrow)
-        updateNavigationBarColor(getBottomNavigationBackgroundColor())
 
         val smsDraft = getSmsDraft(threadId)
         if (smsDraft != null) {