Removing old JSON dependency in gemspec

couchrest_model.gemspec

@@ -15,23 +15,20 @@ Gem::Specification.new do |s|
   ]
   s.homepage = %q{http://github.com/couchrest/couchrest_model}
   s.rubygems_version = %q{1.3.7}
-  s.summary = %q{Extends the CouchRest Document for advanced modelling.}
+  s.summary = %q{Extends the CouchRest Document class for advanced modelling.}
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_dependency(%q<couchrest>, "2.0.0.beta2")
-  s.add_dependency(%q<mime-types>, ">= 1.16")
-  s.add_dependency(%q<activemodel>, ">= 4.0", ">= 3.0")
-  s.add_dependency(%q<tzinfo>, ">= 0.3.22")
-  s.add_development_dependency(%q<rspec>, "~> 2.14.1")
-  s.add_development_dependency(%q<json>, ["~> 1.5.1"])
-  s.add_development_dependency(%q<rack-test>, ">= 0.5.7")
+  s.add_dependency("couchrest",   "2.0.0.beta2")
+  s.add_dependency("mime-types",  ">= 1.16")
+  s.add_dependency("activemodel", ">= 4.0", ">= 3.0")
+  s.add_dependency("tzinfo",      ">= 0.3.22")
+  s.add_development_dependency("rspec", "~> 2.14.1")
+  s.add_development_dependency("rack-test", ">= 0.5.7")
   s.add_development_dependency("rake", ">= 0.8.0")
-  #s.add_development_dependency("debugger", "~> 1.2.0") # TODO put in Gemfile
-  #s.add_development_dependency(%q<oj>, "~> 1.3.4") # TODO put in Gemfile (fails in JRuby)
   s.add_development_dependency("kaminari", "~> 0.14.1")
   # s.add_development_dependency("jruby-openssl", ">= 0.7.3")
 end