fix links and ignore all the md file under "test/scripts" (#3983)

1. Make 'diagnostics flamegraph'  an absolute path in union.
2. Add ".remarkignore" to exclude the syntax check of md in
'test/scripts'.

Author: SEWeiTung

Diff for: .remarkignore

@@ -0,0 +1,4 @@
+# We don't need to check all the md files under 'test/scripts'
+# Because they are for test ONLY
+
+tests/scripts/

Diff for: locale/en/docs/guides/simple-profiling.md

@@ -280,4 +280,4 @@ You may also find [how to create a flame graph][diagnostics flamegraph] helpful.
 
 [profiler inside V8]: https://v8.dev/docs/profile
 [benefits of asynchronous programming]: https://nodesource.com/blog/why-asynchronous
-[diagnostics flamegraph]: ../diagnostics-flamegraph/
+[diagnostics flamegraph]: /en/docs/guides/diagnostics-flamegraph/

Diff for: locale/it/get-involved/collab-summit.md

@@ -26,5 +26,5 @@ immergersi nelle sessioni di lavoro successivamente.
 Ci piacerebbe vederti al Summit! Dai un'occhiata al
 [repository del Summit](https://github.com/nodejs/summit)
 per vedere gli eventi in arrivo e quelli passati e guarda anche le
-[issue archiviate]((https://github.com/nodejs/summit/issues)) che mostrano di cosa
+[issue archiviate](https://github.com/nodejs/summit/issues) che mostrano di cosa
 parlano i gruppi di lavoro individuali e i comitati.

Diff for: locale/zh-cn/docs/guides/simple-profiling.md

@@ -221,4 +221,4 @@ Percentage of the requests served within a certain time (ms)
 
 [V8 内探测器]: https://v8.dev/docs/profile
 [异步编程的好处]: https://nodesource.com/blog/why-asynchronous
-[如何创建火焰图]: ../diagnostics-flamegraph/
+[如何创建火焰图]: /zh-cn/docs/guides/diagnostics-flamegraph/

Diff for: tests/scripts/CHANGELOG.fixture.legacy.md

@@ -1,10 +1,5 @@
 # Node.js v0.12 ChangeLog
 
-<!--lint disable prohibited-strings-->
-<!--lint disable maximum-line-length-->
-<!--lint disable no-literal-urls-->
-<!--lint disable no-shortcut-reference-link-->
-
 <table>
 <tr>
 <th>Stable</th>

Diff for: tests/scripts/CHANGELOG.fixture.withconsole.md

@@ -1,9 +1,5 @@
 # Node.js 15 ChangeLog
 
-<!--lint disable prohibited-strings-->
-<!--lint disable maximum-line-length-->
-<!--lint disable no-literal-urls-->
-
 <table>
 <tr>
 <th>Current</th>