Remove superfluous ./ link prefix

Author: Rageking8

docs/code-quality/c26439.md

@@ -63,5 +63,5 @@ struct S
 
 ## See also
 
-[C26455](./c26455.md)\
+[C26455](c26455.md)\
 [F.6: If your function must not throw, declare it `noexcept`](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#f6-if-your-function-must-not-throw-declare-it-noexcept)

docs/code-quality/c26498.md

@@ -58,6 +58,6 @@ void foo()
 
 ## See also
 
-[C26497](./c26407.md)\
-[C26814](./c26814.md)\
+[C26497](c26407.md)\
+[C26814](c26814.md)\
 [Con.5: Use `constexpr` for values that can be computed at compile time](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#con5-use-constexpr-for-values-that-can-be-computed-at-compile-time)