nvim: plugins: Drop vimtex

For any future LaTeX writing needs we only intend to use
markdown/pandoc.

nvim/.config/nvim/init.lua

@@ -59,10 +59,6 @@ vim.g.loaded_zipPlugin        = 1
 vim.g.mapleader      = " "
 vim.g.maplocalleader = ","
 
--- Needs to be set before vimtex gets loaded, else it complains
-vim.g.tex_flavor                  = 'latex'
-vim.g.vimtex_view_general_viewer  = 'zathura'
-vim.g.vimtex_view_general_options = '--unique \\@pdf\\#src:@tex:@line:@col'
 -- dirvish
 vim.g.dirvish_relative_paths      = 1
 -- dispatch

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

@@ -88,8 +88,6 @@ local init = function ()
     config = "require('treesitter')",
     run    = ':TSUpdate'
   }
-  -- All writing needs
-  use 'lervag/vimtex'
   -- Marks and registers
   use {
     'chentoast/marks.nvim',