fix(rust_analyzer): remove special filtering of diagnostics

after/lsp/rust_analyzer.lua

@@ -2,22 +2,7 @@ local lsp = require("lsp")
 
 ---@type vim.lsp.Config
 return {
-    on_attach = function(client, bufnr)
-        lsp.on_attach(client, bufnr)
-
-        local handler_name = "textDocument/publishDiagnostics"
-        local default_handler = client.handlers[handler_name]
-        or vim.lsp.handlers[handler_name]
-        client.handlers[handler_name] = function(err, result, context, config)
-            if result and result.diagnostics then
-                result.diagnostics = vim.tbl_filter(function(diagnostic)
-                    return diagnostic.severity < vim.diagnostic.severity.HINT
-                end, result.diagnostics)
-            end
-
-            default_handler(err, result, context, config)
-        end
-    end,
+    on_attach = lsp.on_attach,
     settings = {
         ["rust-analyzer"] = {
             check = {