[fenix] For https://github.com/mozilla-mobile/fenix/issues/12980 - Unify deleteBrowsingData() and deleteHistoryAndDOMStorages()

The two methods are serving the same purpose, with one calling the other.
This prepares the ground for adding a method to delete icons in only one place
and remove confusion about what that place should be.

app/src/main/java/org/mozilla/fenix/settings/deletebrowsingdata/DeleteAndQuit.kt

@@ -53,7 +53,7 @@ fun deleteAndQuit(activity: Activity, coroutineScope: CoroutineScope, snackbar:
 private suspend fun DeleteBrowsingDataController.deleteType(type: DeleteBrowsingDataOnQuitType) {
     when (type) {
         DeleteBrowsingDataOnQuitType.TABS -> deleteTabs()
-        DeleteBrowsingDataOnQuitType.HISTORY -> deleteHistoryAndDOMStorages()
+        DeleteBrowsingDataOnQuitType.HISTORY -> deleteBrowsingData()
         DeleteBrowsingDataOnQuitType.COOKIES -> deleteCookies()
         DeleteBrowsingDataOnQuitType.CACHE -> deleteCachedFiles()
         DeleteBrowsingDataOnQuitType.PERMISSIONS -> withContext(IO) {

app/src/main/java/org/mozilla/fenix/settings/deletebrowsingdata/DeleteBrowsingDataController.kt

@@ -15,7 +15,6 @@ import kotlin.coroutines.CoroutineContext
 interface DeleteBrowsingDataController {
     suspend fun deleteTabs()
     suspend fun deleteBrowsingData()
-    suspend fun deleteHistoryAndDOMStorages()
     suspend fun deleteCookies()
     suspend fun deleteCachedFiles()
     suspend fun deleteSitePermissions()
@@ -36,14 +35,10 @@ class DefaultDeleteBrowsingDataController(
     }
 
     override suspend fun deleteBrowsingData() {
-        deleteHistoryAndDOMStorages()
-    }
-
-    override suspend fun deleteHistoryAndDOMStorages() {
         withContext(coroutineContext) {
             engine.clearData(Engine.BrowsingData.select(Engine.BrowsingData.DOM_STORAGES))
+            historyStorage.deleteEverything()
         }
-        historyStorage.deleteEverything()
     }
 
     override suspend fun deleteCookies() {