[fenix] For https://github.com/mozilla-mobile/fenix/issues/23076 - Clean up unneeded FeatureFlags

app/src/main/java/org/mozilla/fenix/FeatureFlags.kt

@@ -23,16 +23,6 @@ object FeatureFlags {
      */
     val addressesFeature = Config.channel.isNightlyOrDebug
 
-    /**
-     * Enables WebAuthn support.
-     */
-    const val webAuthFeature = true
-
-    /**
-     * Enables the Home button in the browser toolbar to navigate back to the home screen.
-     */
-    const val showHomeButtonFeature = true
-
     /**
      * Enables the Start On Home feature in the settings page.
      */
@@ -63,11 +53,6 @@ object FeatureFlags {
      */
     const val showHomeBehindSearch = true
 
-    /**
-     * Enables customizing the home screen
-     */
-    const val customizeHome = true
-
     /**
      * Identifies and separates the tabs list with a group containing search term tabs.
      */

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -694,7 +694,7 @@ abstract class BaseBrowserFragment :
         )
 
         // This component feature only works on Fenix when built on Mozilla infrastructure.
-        if (FeatureFlags.webAuthFeature && BuildConfig.MOZILLA_OFFICIAL) {
+        if (BuildConfig.MOZILLA_OFFICIAL) {
             webAuthnFeature.set(
                 feature = WebAuthnFeature(
                     engine = requireComponents.core.engine,

app/src/main/java/org/mozilla/fenix/browser/BrowserFragment.kt

@@ -26,12 +26,11 @@ import mozilla.components.feature.tab.collections.TabCollection
 import mozilla.components.feature.tabs.WindowFeature
 import mozilla.components.support.base.feature.UserInteractionHandler
 import mozilla.components.support.base.feature.ViewBoundFeatureWrapper
-import org.mozilla.fenix.FeatureFlags
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.FenixSnackbar
 import org.mozilla.fenix.components.TabCollectionStorage
-import org.mozilla.fenix.components.toolbar.ToolbarMenu
 import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.toolbar.ToolbarMenu
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
@@ -72,19 +71,17 @@ class BrowserFragment : BaseBrowserFragment(), UserInteractionHandler {
             )
         }
 
-        if (FeatureFlags.showHomeButtonFeature) {
-            val homeAction = BrowserToolbar.Button(
-                imageDrawable = AppCompatResources.getDrawable(
-                    context,
-                    R.drawable.mozac_ic_home
-                )!!,
-                contentDescription = context.getString(R.string.browser_toolbar_home),
-                iconTintColorResource = ThemeManager.resolveAttribute(R.attr.primaryText, context),
-                listener = browserToolbarInteractor::onHomeButtonClicked
-            )
+        val homeAction = BrowserToolbar.Button(
+            imageDrawable = AppCompatResources.getDrawable(
+                context,
+                R.drawable.mozac_ic_home
+            )!!,
+            contentDescription = context.getString(R.string.browser_toolbar_home),
+            iconTintColorResource = ThemeManager.resolveAttribute(R.attr.primaryText, context),
+            listener = browserToolbarInteractor::onHomeButtonClicked
+        )
 
-            browserToolbarView.view.addNavigationAction(homeAction)
-        }
+        browserToolbarView.view.addNavigationAction(homeAction)
 
         if (resources.getBoolean(R.bool.tablet)) {
             val enableTint = ThemeManager.resolveAttribute(R.attr.primaryText, context)

app/src/main/java/org/mozilla/fenix/home/HomeMenu.kt

@@ -23,7 +23,6 @@ import mozilla.components.concept.sync.AccountObserver
 import mozilla.components.concept.sync.AuthType
 import mozilla.components.concept.sync.OAuthAccount
 import mozilla.components.support.ktx.android.content.getColorFromAttr
-import org.mozilla.fenix.FeatureFlags
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.accounts.AccountState
 import org.mozilla.fenix.components.accounts.FenixAccountManager
@@ -209,7 +208,7 @@ class HomeMenu(
             BrowserMenuDivider(),
             whatsNewItem,
             helpItem,
-            if (FeatureFlags.customizeHome) customizeHomeItem else null,
+            customizeHomeItem,
             settingsItem,
             if (settings.shouldDeleteBrowsingDataOnQuit) quitItem else null
         ).also { items ->