Remove the test build rules

Since there is no test added yet.

(cherry picked from commit 5d5327c)

Author: yifange

src/cdk-experimental/selection/BUILD.bazel

@@ -19,35 +19,3 @@ ng_module(
         "@npm//rxjs",
     ],
 )
-
-ng_test_library(
-    name = "unit_test_sources",
-    srcs = glob(
-        ["**/*.spec.ts"],
-        exclude = ["**/*.e2e.spec.ts"],
-    ),
-    deps = [
-        ":selection",
-    ],
-)
-
-ng_web_test_suite(
-    name = "unit_tests",
-    deps = [":unit_test_sources"],
-)
-
-ng_e2e_test_library(
-    name = "e2e_test_sources",
-    srcs = glob(["**/*.e2e.spec.ts"]),
-    deps = [
-        "//src/cdk/testing/private/e2e",
-    ],
-)
-
-e2e_test_suite(
-    name = "e2e_tests",
-    deps = [
-        ":e2e_test_sources",
-        "//src/cdk/testing/private/e2e",
-    ],
-)