docs(lsp): fix the way of removing items from skipped_servers (#2887)

utils/installer/config.example.lua

@@ -111,7 +111,7 @@ lvim.builtin.treesitter.highlight.enabled = true
 
 -- ---remove a server from the skipped list, e.g. eslint, or emmet_ls. !!Requires `:LvimCacheReset` to take effect!!
 -- ---`:LvimInfo` lists which server(s) are skipped for the current filetype
--- vim.tbl_map(function(server)
+-- lvim.lsp.automatic_configuration.skipped_servers = vim.tbl_filter(function(server)
 --   return server ~= "emmet_ls"
 -- end, lvim.lsp.automatic_configuration.skipped_servers)
 

utils/installer/config_win.example.lua

@@ -126,7 +126,7 @@ lvim.builtin.treesitter.highlight.enabled = true
 
 -- ---remove a server from the skipped list, e.g. eslint, or emmet_ls. !!Requires `:LvimCacheReset` to take effect!!
 -- ---`:LvimInfo` lists which server(s) are skipped for the current filetype
--- vim.tbl_map(function(server)
+-- lvim.lsp.automatic_configuration.skipped_servers = vim.tbl_filter(function(server)
 --   return server ~= "emmet_ls"
 -- end, lvim.lsp.automatic_configuration.skipped_servers)