refactor(material): remove re-exports from primary entry-point

Removes the re-exports to all secondary entry-points from the Angular
Material primary entry-point.

BREAKING CHANGE: Components can no longer be imported through "@angular/material". Use the individual secondary entry-points.

src/material/BUILD.bazel

@@ -7,21 +7,12 @@ load(
     "MATERIAL_TARGETS",
     "ROLLUP_GLOBALS",
 )
-load("//tools:defaults.bzl", "ng_module", "ng_package")
+load("//tools:defaults.bzl", "ng_package", "ts_library")
 load("//tools:sass_bundle.bzl", "sass_bundle")
 
-# Root "@angular/material" entry-point.
-ng_module(
+ts_library(
     name = "material",
-    srcs = glob(
-        ["*.ts"],
-        exclude = ["**/*.spec.ts"],
-    ),
-    module_name = "@angular/material",
-    deps = ["//src/material/%s" % p for p in MATERIAL_PACKAGES] + [
-        "@npm//@angular/forms",
-        "@npm//@angular/animations",
-    ],
+    srcs = ["index.ts"],
 )
 
 sass_bundle(
@@ -51,7 +42,7 @@ ng_package(
         "//src/material/prebuilt-themes:pink-bluegrey",
         "//src/material/prebuilt-themes:purple-green",
     ],
-    entry_point = ":public-api.ts",
+    entry_point = ":index.ts",
     entry_point_name = "material",
     globals = ROLLUP_GLOBALS,
     packages = ["//src/material/schematics:npm_package"],

src/material/index.ts

@@ -6,4 +6,6 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-export * from './public-api';
+// primary entry-point which is empty as of version 9. All components should
+// be imported through their individual entry-points. This file is needed to
+// satisfy the "ng_package" bazel rule which also requires a primary entry-point.