AK: Remove unnecessary clang-format off comments.

Author: https://github.com/asynts
Commit: https://github.com/SerenityOS/serenity/commit/3fb62e8c634
Pull-request: https://github.com/SerenityOS/serenity/pull/3038

AK/Concepts.h

@@ -30,14 +30,10 @@
 
 namespace AK::Concepts {
 
-// clang-format off
-
 template<typename T>
 concept Integral = IsIntegral<T>::value;
 
 template<typename T>
 concept FloatingPoint = IsFloatingPoint<T>::value;
 
-// clang-format on
-
 }

AK/Stream.h

@@ -62,8 +62,6 @@ public:
     virtual bool discard_or_error(size_t count) = 0;
 };
 
-// clang-format off
-
 template<Concepts::Integral Integral>
 InputStream& operator>>(InputStream& stream, Integral& value)
 {
@@ -80,8 +78,6 @@ InputStream& operator>>(InputStream& stream, FloatingPoint& value)
 }
 #endif
 
-// clang-format on
-
 inline InputStream& operator>>(InputStream& stream, bool& value)
 {
     stream.read_or_error({ &value, sizeof(value) });