[vector.syn] Drop the superfluous "inline" from is-vector-bool-reference

Author: burblebee

source/containers.tex

@@ -6099,7 +6099,7 @@
   template<class Allocator> class vector<bool, Allocator>;
 
   template<class T>
-    inline constexpr bool @\exposid{is-vector-bool-reference}@ = @\seebelow@;   // \expos
+    constexpr bool @\exposid{is-vector-bool-reference}@ = @\seebelow@;          // \expos
 
   template<class T, class charT> requires @\exposid{is-vector-bool-reference}@<T>
     struct formatter<T, charT>;