Update Rakefile

Rakefile

@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 require "bundler/gem_tasks"
 require "rake/testtask"
 
@@ -11,23 +9,8 @@ end
 
 require "rake/extensiontask"
 
-task build: :compile
-
-Rake::ExtensionTask.new("bigwigext") do |ext|
+Rake::ExtensionTask.new do |ext|
+  ext.name    = "bigwigext"
   ext.ext_dir = "ext/bio/bigwig"
   ext.lib_dir = "lib/bio/bigwig"
 end
-
-desc "Remove object file"
-task :remove_object_file do
-  Dir["ext/**/*.{o,bundle}"].each do |f|
-    FileUtils.rm(f)
-  end
-end
-
-task default: %i[
-  clobber
-  compile
-  remove_object_file
-  test
-]