* emit-rtl.c (remove_insn): Do not call df_insn_delete here.
	* cfgrtl.c (delete_insn): Call it here instead.
	* lra-spills.c (lra_final_code_change): Use delete_insn.
	* haifa-sched.c (sched_remove_insn): Likewise.
	* sel-sched-ir.c (return_nop_to_pool): Clear INSN_DELETED_P for nops
	returning to the nop pool.
	(sel_remove_insn): Simplify the only_disconnect case via remove_insn,
	use delete_insn for definitive removal.  Clear BLOCK_FOR_INSN.

From-SVN: r197942