remove split-stack just in case

Author: dunglas

frankenphp.go

@@ -10,7 +10,6 @@ package frankenphp
 //go:generate rm -Rf C-Thread-Pool/.git C-Thread-Pool/.circleci C-Thread-Pool/docs C-Thread-Pool/tests
 
 // #cgo CFLAGS: -Wall -Werror
-// #cgo linux_amd64 CFLAGS: -fsplit-stack
 // #cgo CFLAGS: -I/usr/local/include/php -I/usr/local/include/php/Zend -I/usr/local/include/php/TSRM -I/usr/local/include/php/main
 // #cgo linux CFLAGS: -D_GNU_SOURCE
 // #cgo LDFLAGS: -L/usr/local/lib -L/opt/homebrew/opt/libiconv/lib -L/usr/lib -lphp -lxml2 -lresolv -lsqlite3 -ldl -lm -lutil