Remove unnecessary application dependencies

This removes all but the minimum applications necessary to pass the tests.

Previously, references to some extra applications such as lager would cause
test failures in downstream builds which omitted those applications.

COUCHDB-2866
diff --git a/test/config_tests.erl b/test/config_tests.erl
index 995d285..d329bc9 100644
--- a/test/config_tests.erl
+++ b/test/config_tests.erl
@@ -37,8 +37,7 @@
         FileName
     end).
 
--define(DEPS, [couch_stats, couch_log, folsom, lager,
-               goldrush, syntax_tools, compiler, config]).
+-define(DEPS, [couch_stats, couch_log, config]).
 
 
 setup() ->