tbb: fix tbbmalloc_proxy on musl

srcpkgs/tbb/template

@@ -1,7 +1,7 @@
 # Template file for 'tbb'
 pkgname=tbb
 version=2021.12.0
-revision=1
+revision=2
 build_style=cmake
 configure_args="-DTBB_STRICT=OFF -DTBB_TEST=OFF"
 makedepends="libgomp-devel libhwloc-devel"
@@ -27,13 +27,6 @@ if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
 	configure_args+=" -DCMAKE_CXX_STANDARD_LIBRARIES=-lucontext"
 fi
 
-post_extract() {
-	if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
-		vsed -e "s@#define MALLOC_UNIXLIKE_OVERLOAD_ENABLED __linux__@@" \
-		  -i src/tbbmalloc_proxy/proxy.h
-	fi
-}
-
 post_install() {
 	# The Python package is installed as an egg, which is deprecated
 	# and isn't added to the Python path, so just unpack it.