Revert "Set the precision to be maximum of 28 (Jet limit)."

This reverts commit a1904bf113.

src/EFCore.Jet/Storage/Internal/JetDecimalTypeMapping.cs

@@ -53,20 +53,7 @@ namespace EntityFrameworkCore.Jet.Storage.Internal
         ///     doing so can result in application failures when updating to a new Entity Framework Core release.
         /// </summary>
         protected override RelationalTypeMapping Clone(RelationalTypeMappingParameters parameters)
-        {
-            var precision = parameters.Precision;
-            var scale = parameters.Scale;
-            if (parameters.Precision is > 28)
-            {
-                int prec_diff = parameters.Precision.Value - 28;
-                precision = 28;
-                if (parameters.Scale is > 28)
-                {
-                    scale = parameters.Scale.Value - prec_diff;
-                }
-            }
-            return new JetDecimalTypeMapping(parameters.WithPrecisionAndScale(precision, scale));
-        }
+            => new JetDecimalTypeMapping(parameters);
 
         /// <summary>
         ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to

test/EFCore.Jet.FunctionalTests/config.json

@@ -1,7 +1,7 @@
 {
     "Test": {
       "Jet": {
-      "DefaultConnection": "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=Jet.accdb;Persist Security Info=False;"
+        "DefaultConnection": "DBQ=Jet.accdb"
       }
     }
 }