Rakefile in hoe-3.17.2 vs Rakefile in hoe-3.18.0

@@ -5,11 +5,9 @@
 
 Hoe.plugin :seattlerb
 Hoe.plugin :isolate
 Hoe.plugin :rdoc
 
-Hoe.add_include_dirs "../../minitest/dev/lib"
-
 Hoe.spec "hoe" do
   developer "Ryan Davis", "[e-mail]"
 
   self.group_name = "seattlerb"