Documentation cleanup: replace Buck with Bazel

Change-Id: I8ab991d84b839ea4d89ac915632dfb6b5367bafc

src/main/resources/Documentation/build.md

diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index 991f520..facc2ad 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -1,7 +1,7 @@
 Build
 =====
 
-This plugin can be built with Buck or Maven.
+This plugin can be built with Bazel or Maven.
 
 Clone (or link) this plugin to the `plugins` directory of Gerrit's source tree.