[googletest] Output skip messagerefs/pull/2517/head

Closes #2208

Previously, skip messages were invisible, so debugging skips was hard.

Now we have this:

```
$ ./googletest/gtest_skip_test
Running main() from /home/lesha/github/snarkmaster/googletest/googletest/src/gtest_main.cc
[==========] Running 3 tests from 2 test suites.
[----------] Global test environment set-up.
[----------] 1 test from SkipTest
[ RUN      ] SkipTest.DoesSkip
/home/lesha/github/snarkmaster/googletest/googletest/test/gtest_skip_test.cc:38: Skipped
skipping single test
[  SKIPPED ] SkipTest.DoesSkip (0 ms)
[----------] 1 test from SkipTest (1 ms total)
...
```

1 files changed, 1 insertions, 3 deletions

diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index a5b4e5a..6ddc5c8 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -3220,9 +3220,7 @@ void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
 void PrettyUnitTestResultPrinter::OnTestPartResult(
     const TestPartResult& result) {
   switch (result.type()) {
-    // If the test part succeeded, or was skipped,
-    // we don't need to do anything.
-    case TestPartResult::kSkip:
+    // If the test part succeeded, we don't need to do anything.
     case TestPartResult::kSuccess:
       return;
     default: