Minor doc fix
crt0 is now compiled into libos, so it doesn't need to be linked separately.
[ci skip]
@@ -7,8 +7,7 @@ standalone executable with no operating system support and the MMU disabled.
The 'kernel' runs as a user mode program loaded by os/kernel and makes system
calls where necessary.
-Both the crt0 and libos libraries must be linked against to use a specific
-variant. The kernel version must be linked at an address greater than 0x1000.
+The kernel version must be linked at an address greater than 0x1000.
The bare metal version must be linked at address 0.
The kernel version is a work in progress. A number of system calls are not yet
