removed unneeded dependency

Author: denofevil

ruby-debug-base19x.gemspec

@@ -41,7 +41,6 @@ EOF
   spec.required_ruby_version = '>= 1.9'
   spec.date = Time.now
   spec.rubyforge_project = 'ruby-debug19'
-  spec.add_dependency('columnize', [">= 0.3.1"])
   spec.add_dependency('ruby_core_source', [">= 0.1.4"])
   spec.add_dependency("rake", ">= 0.8.1")