Revert r209902 "Dump the return type of functions in gimple dumps"

Revert r209902 "Dump the return type of functions in gimple dumps"

This commit reverts r209902 aka 1f09cb43ee8e199dca339233fb1b92b7ffdbc660
due to issues described in
  https://gcc.gnu.org/ml/gcc-patches/2014-05/msg01271.html

gcc/
2014-05-16  David Malcolm  <dmalcolm@redhat.com>

	Revert:
	2014-04-29  David Malcolm  <dmalcolm@redhat.com>

	* tree-cfg.c (dump_function_to_file): Dump the return type of
	functions, in a line to itself before the function body, mimicking
	the layout of a C function.

gcc/testsuite
2014-05-16  David Malcolm  <dmalcolm@redhat.com>

	Revert:
	2014-04-29  David Malcolm  <dmalcolm@redhat.com>

	* gcc.dg/tree-ssa/pr23401.c: Update the expected number of
	occurrences of "int" in the gimple dump to reflect that the return
	types of functions now show up in such dumps.
	* gcc.dg/tree-ssa/pr27810.c: Likewise.

From-SVN: r210533