fix indent-blankline and foldcolumn

after/plugin/rust.lua

@@ -1,21 +1,3 @@
-local rt = require("rust-tools")
-
-rt.setup({
-    server = {
-        on_attach = function(_, bufnr)
-        end,
-    },
-})
-
-rt.inlay_hints.enable()
-rt.runnables.runnables()
-rt.hover_actions.hover_actions()
-rt.hover_range.hover_range()
-rt.open_cargo_toml.open_cargo_toml()
-rt.parent_module.parent_module()
-rt.join_lines.join_lines()
-rt.crate_graph.view_crate_graph(backend, output)
-
 require("crates").setup {
     smart_insert = true,
     insert_closing_quote = true,