Clean up plugins

plug.vim

@@ -1,13 +1,11 @@
 " Specify a directory for plugins
 call plug#begin(stdpath('data') . '/plugged')
 " Colourthemes
-Plug 'kyoz/purify', { 'rtp': 'vim' }
-Plug 'joshdick/onedark.vim'
 Plug 'ayu-theme/ayu-vim'
-Plug 'Brettm12345/moonlight.vim'
 Plug 'tjammer/blayu.vim'
 Plug 'adonaldson/vim-tictoc'
 Plug 'lanox/lanox-vim-theme'
+Plug 'fenetikm/falcon'
 
 " Editor extensions
 Plug 'neomake/neomake'