reduce deps

src/rest.app.src

@@ -1,7 +1,7 @@
 {application, rest, [
     {description,  "REST SXC"},
     {vsn,          "3.0"},
-    {applications, [kernel, stdlib, cowboy, ranch, gproc, erlydtl]},
+    {applications, [kernel, stdlib, cowboy]},
     {modules, []},
     {registered,   []},
     {mod, { rest_app, []}},