nvim: plugins: Drop nvim-peekup

Does not work correctly and keeps pasting in the first window instead of
where the cursor is placed.

nvim/.config/nvim/init.lua

@@ -84,9 +84,6 @@ vim.g.vimtex_view_general_viewer  = 'zathura'
 vim.g.vimtex_view_general_options = '--unique \\@pdf\\#src:@tex:@line:@col'
 -- Needs to be before togglelist gets loadded
 vim.g.toggle_list_no_mappings     = 1
--- Needs to be set before nvim-peekup
-vim.g.peekup_paste_before         = '<Leader>P'
-vim.g.peekup_paste_after          = '<Leader>p'
 -- Needs to be set before vim-sneak is loaded
 vim.g['sneak#label']              = 1
 vim.g['sneak#s_next']             = 1

nvim/.config/nvim/lua/plugins.lua

@@ -109,7 +109,6 @@ local init = function ()
   -- Marks and registers
   use {
     'kshenoy/vim-signature',
-    'gennaro-tedesco/nvim-peekup'
   }
   -- Snippets
   use {