[clang-tools-extra] [clang-tidy][NFC] Remove guidelines in documentation of misc-multiple-inheritance (PR #186657)

[Daniil Dudkin via cfe-commits]

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@@ -42,8 +42,3 @@ A class that inherits from a pure virtual is allowed:
     virtual int foo() override { return 0; }
     virtual int bar() override { return 0; }
   };
-
-References
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unterumarmung wrote:

I also think that the automatic redirect isn't obvious and can be misleading.

https://github.com/llvm/llvm-project/pull/186657