Remove >= for rspec in the gemspec

Author: oestrich

Gemfile.lock

@@ -4,7 +4,7 @@ PATH
     rspec_api_documentation (4.8.0)
       activesupport (>= 3.0.0)
       mustache (~> 1.0, >= 0.99.4)
-      rspec (~> 3.0, >= 3.0.0)
+      rspec (~> 3.0)
 
 GEM
   remote: http://rubygems.org/
@@ -157,4 +157,4 @@ DEPENDENCIES
   webmock (~> 1.7)
 
 BUNDLED WITH
-   1.11.2
+   1.13.6

rspec_api_documentation.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = ">= 1.3.6"
 
-  s.add_runtime_dependency "rspec", "~> 3.0", ">= 3.0.0"
+  s.add_runtime_dependency "rspec", "~> 3.0"
   s.add_runtime_dependency "activesupport", ">= 3.0.0"
   s.add_runtime_dependency "mustache", "~> 1.0", ">= 0.99.4"