RISC-V: Fix unreachable test code for init repeat sequence.

This patch fix one unreachable test code, which is for debugging purpose
without cleanup before commit.

Signed-off-by: Pan Li <pan2.li@intel.com>

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/autovec/vls-vlmax/init-repeat-sequence-run-1.c:
	Remove debug code.

Signed-off-by: Pan Li <pan2.li@intel.com>