remove unused tasks

Rakefile

@@ -1,8 +1,8 @@
 require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
-require 'rubocop/rake_task'
 require 'github/markup'
 require 'redcarpet'
+require 'rspec/core/rake_task'
+require 'rubocop/rake_task'
 require 'yard'
 require 'yard/rake/yardoc_task'
 
@@ -32,20 +32,4 @@ task :make_bin_executable do
   `chmod -R +x bin/*`
 end
 
-desc 'Retrieve the current version'
-task :version do
-  puts SensuPluginsHttp::Version.json_version
-end
-
-desc 'Bump the PATCH version'
-task :bump do
-  version_file = 'lib/sensu-plugins-http/version.rb'
-
-  # Read the file, bump the PATCH version
-  contents = File.read(version_file).gsub(/(PATCH = )(\d+)/) { |_| Regexp.last_match[1] + (Regexp.last_match[2].to_i + 1).to_s }
-
-  # Write the new contents of the file
-  File.open(version_file, 'w') { |file| file.puts contents }
-end
-
 task default: args