dev-build/gdb-15.1: drop Solaris build-hack

We'll disable the culprint (Python) instead.

Signed-off-by: Fabian Groffen <grobian@gentoo.org>

dev-debug/gdb/gdb-15.1.ebuild

@@ -131,14 +131,6 @@ src_prepare() {
 	# Avoid using ancient termcap from host on Prefix systems
 	sed -i -e 's/termcap tinfow/tinfow/g' \
 		gdb/configure{.ac,} || die
-	if [[ ${CHOST} == *-solaris* ]] ; then
-		# code relies on C++11, so make sure we get that selected
-		# due to Python 3.11 pymacro.h doing stuff to work around
-		# versioning mess based on the C version, while we're compiling
-		# C++ here, so we need to make it clear we're doing C++11/C11
-		# because Solaris system headers act on these
-		sed -i -e 's/-x c++/-std=c++11/' gdb/Makefile.in || die
-	fi
 }
 
 gdb_branding() {