Update dependencies

Author: cfis

Gemfile

@@ -4,9 +4,3 @@ source "https://rubygems.org"
 
 # Specify your gem's dependencies in bitmap_plus_plus.gemspec
 gemspec
-
-gem "rice", :path => "c:/Source/rice"
-
-group :development do
-  gem "rake-compiler"
-end

bitmap-plus-plus.gemspec

@@ -28,7 +28,6 @@ Gem::Specification.new do |spec|
   spec.extensions = ["ext/CMakeLists.txt"]
 	spec.add_development_dependency "minitest", "~> 5.0"
   spec.add_development_dependency "rake", "~> 13.0"
-  spec.add_development_dependency "rake-compiler", "~> 1.2"
 
 	spec.files = Dir[
 		"CHANGELOG.md",