delete mode 100644 lib/libc/musl/src/math/aarch64/round.c
 delete mode 100644 lib/libc/musl/src/math/powerpc64/round.c
 delete mode 100644 lib/libc/musl/src/math/round.c
 delete mode 100644 lib/libc/musl/src/math/s390x/round.c