www/trunk: fix build on powerpc

  = note: ld: error: /wrkdirs/usr/ports/www/trunk/work/target/release/deps/libcrates_io_api-9946b7cb53ff3011.rlib(crates_io_api-9946b7cb53ff3011.crates_io_api.a4b984a955783cb7-cgu.0.rcgu.o): Invalid attribute group entry (Producer: 'LLVM19.1.1-rust-1.83.0-stable' Reader: 'LLVM 18.1.6')
          cc: error: linker command failed with exit code 1 (use -v to see invocation)

www/trunk/Makefile

@@ -500,10 +500,4 @@ OPENSSLLIB=	/usr/lib
 
 PLIST_FILES=	bin/${PORTNAME}
 
-.include <bsd.port.options.mk>
-
-.if ${ARCH} == powerpc
-LTO_UNSAFE=	yes
-.endif
-
 .include <bsd.port.mk>