* defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
	* dwarf2out.c (dwarf2out_init): Remove references to
	DWARF2_GENERATE_TEXT_SECTION_LABEL.
	* system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
	* doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.

From-SVN: r88631