Merge branch 'umbplfest-hackathon-remove-obsolete-phase4' of https://github.com/AnthonyCogworks/Umbraco-CMS into AnthonyCogworks-umbplfest-hackathon-remove-obsolete-phase4

src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs

@@ -44,9 +44,7 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         string TruncateTable { get; }
         string CreateConstraint { get; }
         string DeleteConstraint { get; }
-
-        [Obsolete("This is never used, use the Format(ForeignKeyDefinition) instead")]
-        string CreateForeignKeyConstraint { get; }
+        
         string DeleteDefaultConstraint { get; }
         string FormatDateTime(DateTime date, bool includeTime = true);
         string Format(TableDefinition table);

src/Umbraco.Core/Persistence/SqlSyntax/MySqlSyntaxProvider.cs

@@ -277,7 +277,7 @@ ORDER BY TABLE_NAME, INDEX_NAME",
 
         public override string Format(ForeignKeyDefinition foreignKey)
         {
-            return string.Format(CreateForeignKeyConstraint,
+            return string.Format(Format(foreignKey),
                                  GetQuotedTableName(foreignKey.ForeignTable),
                                  GetQuotedColumnName(foreignKey.ForeignColumns.First()),
                                  GetQuotedTableName(foreignKey.PrimaryTable),