[clang-tools-extra] [clang-tidy][doc][NFC] extract common global options in doc (PR #119842)

[Carlos Galvez via cfe-commits]

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@@ -26,7 +26,8 @@ Options
 
 .. option:: IgnoreMacros
 
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carlosgalvezp wrote:

Personally I don't see much benefit in this change, it makes the documentation harder to read as one has to go back and forth. I don't see the trouble with this duplication, since it's not really a problem if the sentences don't match exactly with each other - it does not add maintenance cost.

Sometimes DRY can cause more trouble that it's worth - a bit of duplication makes sense in benefit of usability and readability.

https://github.com/llvm/llvm-project/pull/119842