Remove explicit dependency on PLUGIN_DEPS

The plugin dependencies are already included as provided_deps by the
gerrit_plugin rule.

Explicitly including them again via deps increases the jar size.

Change-Id: I0a645e30c51f377d66f4beb3ab82c0f23bf7f9cd
diff --git a/BUILD b/BUILD
index 92bbdac..3852f4f 100644
--- a/BUILD
+++ b/BUILD
@@ -10,7 +10,6 @@
     name = "its-base",
     srcs = glob(["src/main/java/**/*.java"]),
     resources = glob(["src/main/resources/**/*"]),
-    deps = PLUGIN_DEPS,
 )
 
 TEST_UTIL_SRC = glob(["src/test/java/com/googlesource/gerrit/plugins/its/base/testutil/**/*.java"])