Remove nvim-treesitter prefer_git

My nevim config is in a git submodule, and starting up neovim with the latest kickstart.nvim init.lua with this set to true seems to have broken my local git repo. I'm now getting "fatal: unable to read ..." errors, so I have to reinitialize the submodule from scratch

init.lua

@@ -850,8 +850,6 @@ require('lazy').setup({
     config = function(_, opts)
       -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
 
-      -- Prefer git instead of curl in order to improve connectivity in some environments
-      require('nvim-treesitter.install').prefer_git = true
       ---@diagnostic disable-next-line: missing-fields
       require('nvim-treesitter.configs').setup(opts)