[llvm-branch-commits] [clang-tools-extra] [clang-tidy][docs] Rewrite short check docs to Markdown (PR #210467)

[Zeyi Xu via llvm-branch-commits]

================
@@ -1,12 +1,12 @@
-.. title:: clang-tidy - cert-flp30-c
+```{title} clang-tidy - cert-flp30-c
+```
 
-cert-flp30-c
-============
+# cert-flp30-c
 
 The `cert-flp30-c` check is an alias, please see
-:doc:`bugprone-float-loop-counter <../bugprone/float-loop-counter>`
+{doc}`bugprone-float-loop-counter <../bugprone/float-loop-counter>`
 for more information
 
 This check corresponds to the CERT C Coding Standard rule
-`FLP30-C. Do not use floating-point variables as loop counters
-<https://cmu-sei.github.io/secure-coding-standards/sei-cert-c-coding-standard/rules/floating-point-flp/flp30-c/>`_.
+[FLP30-C. Do not use floating-point variables as loop counters](https://cmu-sei.github.io/secure-coding-standards/sei-cert-c-coding-standard/rules/floating-point-flp/flp30-c/).
+
----------------
zeyi2 wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/210467