Mark fuzzymatch as non-shipping

Since this is test-only, it doesn't need to be part of the licenses
shipped with the binary.

BUG=None

Review URL: https://codereview.chromium.org/924803002

Cr-Commit-Position: refs/heads/master@{#316833}

third_party/fuzzymatch/README.chromium

@@ -1,7 +1,7 @@
 Name: fuzzymatch
 URL: None
 License: BSD
-License File: /LICENSE
+License File: NOT_SHIPPED
 Security Critical: no
 Version: None