Revert "Update template for latest release, fixing dotnet#1211"

Removing template changes from the 2.0.0 servicing branch.

This reverts commit 8e0419d.

Author: seancpeters

template_feed/Microsoft.DotNet.Web.ProjectTemplates.2.0/content/StarterWeb-CSharp/Data/Migrations/00000000000000_CreateIdentitySchema.Designer.cs

@@ -39,12 +39,6 @@ protected override void Up(MigrationBuilder migrationBuilder)
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_AspNetUserTokens", x => new { x.UserId, x.LoginProvider, x.Name });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserTokens_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
                 });
 
             migrationBuilder.CreateTable(
@@ -169,8 +163,7 @@ protected override void Up(MigrationBuilder migrationBuilder)
             migrationBuilder.CreateIndex(
                 name: "RoleNameIndex",
                 table: "AspNetRoles",
-                column: "NormalizedName",
-                unique: true);
+                column: "NormalizedName");
 
             migrationBuilder.CreateIndex(
                 name: "IX_AspNetRoleClaims_RoleId",
@@ -192,6 +185,11 @@ protected override void Up(MigrationBuilder migrationBuilder)
                 table: "AspNetUserRoles",
                 column: "RoleId");
 
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserRoles_UserId",
+                table: "AspNetUserRoles",
+                column: "UserId");
+
             migrationBuilder.CreateIndex(
                 name: "EmailIndex",
                 table: "AspNetUsers",