refactor: remove useless code

Signed-off-by: loongtao.zhang <[email protected]>

Author: cathaysia

.github/workflows/bench.yml

@@ -1,54 +1,3 @@
 # tree-sitter-loongdoc
 
-LoongDoc is normalized asciidoc. LoongDocs make **BEST EFFORT** to keep compatibility with asciidoc.
-
-This repo contains:
-
-- tree-sitter-loongdoc for parse blocks.
-- tree-sitter-loongdoc_inline for parse inline grammar.
-- loongdoc: a wrapper to provide a rust ast. \[WIP]
-
-There two website for this repo:
-
-- <https://cathaysia.github.io/tree-sitter-loongdoc/> current loongdoc spec.
-- <https://tree-sitter-loongdoc.vercel.app/> a playground for loongdoc.
-
-## Usage
-
-add the following lines to your tree-sitter configuration:
-
-### Add this repo to your lazy.nvim config:
-
-```lua
-{
-    'cathaysia/tree-sitter-loongdoc',
-},
-```
-
-```lua
-vim.filetype.add({
-    extension = {
-        adoc = 'loongdoc'
-    },
-})
-
-local parser_config = require('nvim-treesitter.parsers').get_parser_configs()
-parser_config.loongdoc = {
-    install_info = {
-        url = 'https://github.com/cathaysia/tree-sitter-loongdoc.git',
-        files = { 'tree-sitter-loongdoc/src/parser.c', 'tree-sitter-loongdoc/src/scanner.c' },
-        branch = 'master',
-        generate_requires_npm = false,
-        requires_generate_from_grammar = false,
-    },
-}
-parser_config.loongdoc_inline = {
-    install_info = {
-        url = 'https://github.com/cathaysia/tree-sitter-loongdoc.git',
-        files = { 'tree-sitter-loongdoc_inline/src/parser.c', 'tree-sitter-loongdoc_inline/src/scanner.c' },
-        branch = 'master',
-        generate_requires_npm = false,
-        requires_generate_from_grammar = false,
-    },
-}
-```
+[loongdoc](https://cathaysia.github.io/tree-sitter-loongdoc/) grammar for tree-sitter.