package/pistache: drop nios2 binutils bug 27597 dependency

Now that binutils patch has been backported to every Buildroot binutils
version we can drop nios2 binutils bug 27597 dependency.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Romain Naour <romain.naour@smile.fr>

package/pistache/Config.in

@@ -4,7 +4,6 @@ config BR2_PACKAGE_PISTACHE
 	depends on BR2_USE_WCHAR
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_INSTALL_LIBSTDCPP
-	depends on !BR2_TOOLCHAIN_HAS_BINUTILS_BUG_27597
 	select BR2_PACKAGE_RAPIDJSON
 	help
 	  Pistache is a modern and elegant HTTP and REST framework
@@ -13,9 +12,8 @@ config BR2_PACKAGE_PISTACHE
 
 	  https://github.com/oktal/pistache
 
-comment "pistache needs a toolchain w/ C++, gcc >= 7, threads, wchar, not binutils bug 27597"
+comment "pistache needs a toolchain w/ C++, gcc >= 7, threads, wchar"
 	depends on !BR2_INSTALL_LIBSTDCPP || \
 		   !BR2_TOOLCHAIN_GCC_AT_LEAST_7 || \
 		   !BR2_TOOLCHAIN_HAS_THREADS || \
-		   !BR2_USE_WCHAR || \
-		   BR2_TOOLCHAIN_HAS_BINUTILS_BUG_27597
+		   !BR2_USE_WCHAR