* config.gcc: Remove sparc-tti-*.
	* config/sparc/pbd.h: Delete.

	* config/sparc/sol2.h: Remove note about Sun OS 4.x.
	* config/sparc/aout.h: Likewise.

	* config/sparc/sparc.h: Remove if 0'd code.
	* config/sparc/sparc.md (call): Remove if 0'd code.
	(call_value): Likewise.
	(nonlocal_goto): Likewise.
	(unimp_insn): Delete.

From-SVN: r79980