* std.c: Remove #if 0'ed functions.

	* sta.c: Remove usage of HARD_F90, FFESTR_F90 and FFESTR_VXT.
	* stb.c: Likewise.
	* stb.h: Likewise.
	* stc.c: Likewise.
	* stc.h: Likewise.
	* std.c: Likewise.
	* std.h: Likewise.
	* ste.c: Likewise.
	* ste.h: Likewise.

	* str.h (FFESTR_F90): Remove macro.
	(FFESTR_VXT): Remove macro.

From-SVN: r67625