remove touches from bootstrap

src/bootstrap/stage0/Containerfile

@@ -17,8 +17,7 @@ COPY <<-EOF build.sh
 	bootstrap-seeds/POSIX/x86/kaem-optional-seed
 	mkdir -p /rootfs && cp -R * /rootfs/
 	cd /rootfs
-	sha256sum x86/bin/* > hashes.txt; \
-	find . -exec touch -hcd "@0" "{}" +
+	sha256sum x86/bin/* > hashes.txt
 EOF
 
 FROM base as build1

src/bootstrap/stage2/Containerfile

@@ -192,7 +192,6 @@ RUN --network=none <<-EOF
 	ln -s /usr/lib/ld-musl-i386.so.1 /rootfs/lib/libc.so
 	ln -s /usr/lib/ld-musl-i386.so.1 /rootfs/lib/ld-musl-i386.so.1
 	ln -s /${TARGET}/lib/ld-musl-${ARCH}.so.1 /rootfs/lib/ld-musl-${ARCH}.so.1
-	find /rootfs -exec touch -hcd "@0" "{}" +
 EOF
 
 FROM scratch as package

src/bootstrap/stage3/Containerfile

@@ -238,7 +238,6 @@ RUN --network=none <<-EOF
 	echo "user:x:1000:" > etc/group
 	echo "user:x:1000:1000::/home/user:/bin/sh" > etc/passwd
 	chown -R 1000:1000 tmp var/tmp home/user
-	find /rootfs -exec touch -hcd "@0" "{}" +
 EOF
 
 FROM scratch as package