Remove old, unused sync API for the UOW.

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Uow/EntityFrameworkCore/EfCoreDatabaseApi.cs

@@ -18,10 +18,5 @@ namespace Volo.Abp.Uow.EntityFrameworkCore
         {
             return DbContext.SaveChangesAsync(cancellationToken);
         }
-
-        public void SaveChanges()
-        {
-            DbContext.SaveChanges();
-        }
     }
 }

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Uow/EntityFrameworkCore/EfCoreTransactionApi.cs

@@ -21,7 +21,13 @@ namespace Volo.Abp.Uow.EntityFrameworkCore
             AttendedDbContexts = new List<IEfCoreDbContext>();
         }
 
-        public void Commit()
+        public Task CommitAsync()
+        {
+            Commit();
+            return Task.CompletedTask;
+        }
+        
+        protected void Commit()
         {
             DbContextTransaction.Commit();
 
@@ -36,12 +42,6 @@ namespace Volo.Abp.Uow.EntityFrameworkCore
             }
         }
 
-        public Task CommitAsync()
-        {
-            Commit();
-            return Task.CompletedTask;
-        }
-
         public void Dispose()
         {
             DbContextTransaction.Dispose();

framework/src/Volo.Abp.Uow/Volo/Abp/Uow/ISupportsSavingChanges.cs

@@ -5,8 +5,6 @@ namespace Volo.Abp.Uow
 {
     public interface ISupportsSavingChanges
     {
-        void SaveChanges();
-
         Task SaveChangesAsync(CancellationToken cancellationToken = default);
     }
 }

framework/src/Volo.Abp.Uow/Volo/Abp/Uow/ITransactionApi.cs

@@ -5,8 +5,6 @@ namespace Volo.Abp.Uow
 {
     public interface ITransactionApi : IDisposable
     {
-        void Commit();
-
         Task CommitAsync();
     }
 }

framework/src/Volo.Abp.Uow/Volo/Abp/Uow/UnitOfWork.cs

@@ -302,15 +302,7 @@ namespace Volo.Abp.Uow
                 }
             }
         }
-
-        protected virtual void CommitTransactions()
-        {
-            foreach (var transaction in GetAllActiveTransactionApis())
-            {
-                transaction.Commit();
-            }
-        }
-
+        
         protected virtual async Task CommitTransactionsAsync()
         {
             foreach (var transaction in GetAllActiveTransactionApis())