simplify installation

Rakefile

@@ -2,7 +2,6 @@
 
 require 'rake'
 require 'fileutils'
-require File.join(File.dirname(__FILE__), 'bin', 'yadr', 'vundle')
 
 def macos?
   RUBY_PLATFORM.downcase.include?('darwin')
@@ -47,11 +46,6 @@ task install: %i[submodule_init submodules] do
   install_rvm_binstubs
 
   Rake::Task['link_files'].execute
-  if want_to_install?('vim configuration (highly recommended)')
-    install_files(Dir.glob('{vim}'))
-    Rake::Task['install_vundle'].execute
-  end
-
   Rake::Task['install_tools'].execute
   Rake::Task['install_prezto'].execute
 
@@ -70,11 +64,8 @@ end
 
 desc 'install spacevim and related config files'
 task :install_spacevim do
-  run %(
+  run 'curl -sLf https://spacevim.org/install.sh | bash'
-    curl -sLf https://spacevim.org/install.sh | bash
+  install_files(Dir.glob('SpaceVim*'))
-    rm -rf ~/.SpaceVim.d
-    ln -s $(pwd)/SpaceVim.d ~/.SpaceVim.d
-  )
 end
 
 desc 'Install tools which are necessary for developers'
@@ -128,49 +119,6 @@ task :submodules do
   end
 end
 
-desc 'Performs migration from pathogen to vundle'
-task :vundle_migration do
-  puts '======================================================'
-  puts 'Migrating from pathogen to vundle vim plugin manager. '
-  puts 'This will move the old .vim/bundle directory to'
-  puts '.vim/bundle.old and replacing all your vim plugins with'
-  puts 'the standard set of plugins. You will then be able to '
-  puts "manage your vim's plugin configuration by editing the "
-  puts 'file .vim/vundles.vim'
-  puts '======================================================'
-
-  Dir.glob(File.join('vim', 'bundle', '**')) do |sub_path|
-    run %(git config -f #{File.join('.git', 'config')} --remove-section submodule.#{sub_path})
-    # `git rm --cached #{sub_path}`
-    FileUtils.rm_rf(File.join('.git', 'modules', sub_path))
-  end
-  FileUtils.mv(File.join('vim', 'bundle'), File.join('vim', 'bundle.old'))
-end
-
-desc 'Runs Vundle installer in a clean vim environment'
-task :install_vundle do
-  puts '======================================================'
-  puts 'Installing and updating vundles.'
-  puts 'The installer will now proceed to run PluginInstall to install vundles.'
-  puts '======================================================'
-
-  puts ''
-
-  vundle_path = File.join('vim', 'bundle', 'vundle')
-  unless File.exist?(vundle_path)
-    run %(
-      cd $HOME/.yadr
-      git clone https://github.com/gmarik/vundle.git #{vundle_path}
-    )
-  end
-
-  Vundle.update_vundle
-end
-
-task :plugin_sync do
-  Vundle.plugin_sync
-end
-
 task default: 'install'
 
 private
@@ -406,11 +354,6 @@ def needs_migration_to_vundle?
   File.exist? File.join('vim', 'bundle', 'tpope-vim-pathogen')
 end
 
-def list_vim_submodules
-  result = `git submodule -q foreach 'echo $name"||"\`git remote -v | awk "END{print \\\\\$2}"\`'`.select { |line| line =~ /^vim.bundle/ }.map { |line| line.split('||') }
-  Hash[*result.flatten]
-end
-
 def apply_theme_to_iterm_profile_idx(index, color_scheme_path)
   values = []
   16.times { |i| values << "Ansi #{i} Color" }