Fix treesitter + vimtex, fix concealment

.config/nvim/lua/disabled_plugins/vimtex.lua

@@ -1,40 +0,0 @@
-return {
-    {
-        "lervag/vimtex",
-        ft = {"tex", "bib"},
-        config = function()
-            -- General configuration
-
-            vim.cmd("syntax enable")
-
-            vim.g.vimtex_compiler_latexmk = {
-                out_dir = 'build',
-                options = {
-                    '-shell-escape',
-                    '-verbose',
-                    '-file-line-error',
-                    '-interaction=nonstopmode',
-                    '-synctex=1'
-                }
-            }
-
-            vim.g.vimtex_view_general_viewer = 'sioyek'
-            vim.g.vimtex_quickfix_mode = 0
-
-            -- Concealment
-
-            vim.cmd([[set conceallevel=1]])
-            vim.g.tex_conceal = 'abdmg'
-
-            -- Synctex configuration
-
-            vim.g.vimtex_compiler_progname = 'nvr'
-
-            local options = string.format(
-                                '--reuse-window --inverse-search="nvr --servername %s +%%2 %%1" --forward-search-file @tex --forward-search-line @line @pdf',
-                                vim.v.servername)
-            local command = string.format("let g:vimtex_view_general_options='%s'", options)
-            vim.cmd(command)
-        end
-    }
-}