Revert "Feat: Reforma de unificación de bases de datos."

This reverts commit 32cf2ba74a.

# Conflicts:
#	Backend/MotoresArgentinosV2.API/Program.cs

Backend/MotoresArgentinosV2.Infrastructure/Services/LegacyPaymentService.cs

@@ -20,7 +20,7 @@ public class LegacyPaymentService : ILegacyPaymentService
 
     public LegacyPaymentService(IConfiguration config, MotoresV2DbContext v2Context, ILogger<LegacyPaymentService> logger)
     {
-        _internetConn = config.GetConnectionString("eldia") ?? "";
+        _internetConn = config.GetConnectionString("Internet") ?? "";
         _v2Context = v2Context;
         _config = config;
         _logger = logger;