Do not need crypto if erlang:md5 is used instead of crypto:sha1

src/erlydtl/erlydtl.app

@@ -16,6 +16,6 @@
              erlydtl_scanner,
              erlydtl_unittests
             ]},
-  {applications, [kernel, stdlib, crypto]},
+  {applications, [kernel, stdlib]},
   {registered, []}
  ]}.