chore: Remove CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT env var (#971)

Author: eddumelendez

src/Testcontainers.ClickHouse/ClickHouseBuilder.cs

@@ -85,7 +85,6 @@ protected override ClickHouseBuilder Init()
             .WithImage(ClickHouseImage)
             .WithPortBinding(HttpPort, true)
             .WithPortBinding(NativePort, true)
-            .WithEnvironment("CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT", "1")
             .WithDatabase(DefaultDatabase)
             .WithUsername(DefaultUsername)
             .WithPassword(DefaultPassword)