Buck: Merge deps and compile_deps parameters in gwt_module() rule

After migration to Buck's own gwt_binary() rule, gwt module libraries
must contain compiled classes. That makes the differentiation between
deps and compile_deps unnecessary.

Change-Id: I26fd741d566709a4d56b6e9623766012279903e4

gerrit-reviewdb/BUCK

diff --git a/gerrit-reviewdb/BUCK b/gerrit-reviewdb/BUCK
index 370c869..8ff523d 100644
--- a/gerrit-reviewdb/BUCK
+++ b/gerrit-reviewdb/BUCK
@@ -4,7 +4,7 @@
   name = 'client',
   srcs = glob([SRC + 'client/**/*.java']),
   gwtxml = SRC + 'ReviewDB.gwt.xml',
-  compile_deps = [
+  deps = [
     '//gerrit-extension-api:client',
     '//lib:gwtorm',
     '//lib:gwtorm_src'