chore: prep for more scoped packages

Author: NathanWalker

config/config.json

@@ -10,4 +10,4 @@
 	"WHOAMI_URL_ENDPOINT": "https://play.nativescript.org/api/whoami",
 	"PREVIEW_APP_ENVIRONMENT": "live",
 	"GA_TRACKING_ID": "UA-111455-51"
-}
+}

lib/controllers/migrate-controller.ts

@@ -58,23 +58,6 @@ Running this command will ${MigrateController.COMMON_MIGRATE_MESSAGE}`;
 	private migrationDependencies: IMigrationDependency[] = [
 		{ packageName: constants.TNS_CORE_MODULES_NAME, verifiedVersion: "6.0.1" },
 		{ packageName: constants.TNS_CORE_MODULES_WIDGETS_NAME, verifiedVersion: "6.0.1" },
-		{ packageName: "tns-platform-declarations", isDev: true, verifiedVersion: "6.0.1" },
-		{ packageName: "node-sass", isDev: true, verifiedVersion: "4.12.0" },
-		{ packageName: "nativescript-dev-sass", isDev: true, replaceWith: "node-sass" },
-		{ packageName: "nativescript-dev-typescript", isDev: true, replaceWith: MigrateController.typescriptPackageName },
-		{ packageName: "nativescript-dev-less", isDev: true, shouldRemove: true, warning: "LESS CSS is not supported out of the box. In order to enable it, follow the steps in this feature request: https://github.com/NativeScript/nativescript-dev-webpack/issues/967" },
-		{ packageName: "nativescript-camera", verifiedVersion: "4.5.0" },
-		{ packageName: "nativescript-geolocation", verifiedVersion: "5.1.0" },
-		{ packageName: "nativescript-imagepicker", verifiedVersion: "6.2.0" },
-		{ packageName: "nativescript-social-share", verifiedVersion: "1.5.2" },
-		{ packageName: "nativescript-ui-chart", verifiedVersion: "5.0.0" },
-		{ packageName: "nativescript-ui-dataform", verifiedVersion: "5.0.0" },
-		{ packageName: "nativescript-ui-gauge", verifiedVersion: "5.0.0" },
-		{ packageName: "nativescript-ui-listview", verifiedVersion: "7.0.0" },
-		{ packageName: "nativescript-ui-sidedrawer", verifiedVersion: "7.0.0" },
-		{ packageName: "nativescript-ui-calendar", verifiedVersion: "5.0.0" },
-		{ packageName: "nativescript-ui-autocomplete", verifiedVersion: "5.0.0" },
-		{ packageName: "nativescript-datetimepicker", verifiedVersion: "1.1.0" },
 		{ packageName: "kinvey-nativescript-sdk", verifiedVersion: "4.2.1" },
 		{ packageName: "nativescript-plugin-firebase", verifiedVersion: "9.0.2" },
 		{

package.json

@@ -1,7 +1,7 @@
 {
   "name": "nativescript",
   "preferGlobal": true,
-  "version": "6.8.0-rc.2",
+  "version": "6.8.0-rc.3",
   "author": "NativeScript <support@nativescript.org>",
   "description": "Command-line interface for building NativeScript projects",
   "bin": {