bazel: Don't perform the checkPhase, since it's redundant with installCheckPhase.

This change is going to be required when upgrading to Bazel 0.20.0,
because in the checkPhase we're not wrapping the Bazel binary yet to
set some necessary default arguments.

pkgs/development/tools/build-managers/bazel/default.nix

@@ -180,16 +180,6 @@ stdenv.mkDerivation rec {
         --prepend=scripts/bazel-complete-template.bash
   '';
 
-  # Build the CPP and Java examples to verify that Bazel works.
-
-  doCheck = true;
-  checkPhase = ''
-    export TEST_TMPDIR=$(pwd)
-    ./output/bazel test --test_output=errors \
-        examples/cpp:hello-success_test \
-        examples/java-native/src/test/java/com/example/myproject:hello
-  '';
-
   installPhase = ''
     mkdir -p $out/bin