[GR-17457] Remove development dependencies for OptCarrot

PullRequest: truffleruby/2685

Author: eregon

bench/optcarrot/optcarrot.gemspec

@@ -21,7 +21,4 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "ffi", "~> 1.9"
-  spec.add_development_dependency "bundler", "~> 1.11"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "stackprof", "~> 0.2"
 end