Remove dg-require-cstdint directive from tests

Remove dg-require-cstdint directive from tests

Tests for components which are no longer dependent on
_GLIBCXX_USE_C99_STDINT_TR1 do not need to require <cstdint>.

	* testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
	from namespace std.
	* testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
	* testsuite/20_util/duration/arithmetic/1.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/2.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
	* testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
	* testsuite/20_util/duration/cons/1.cc: Likewise.
	* testsuite/20_util/duration/cons/1_neg.cc: Likewise.
	* testsuite/20_util/duration/cons/2.cc: Likewise.
	* testsuite/20_util/duration/cons/54025.cc: Likewise.
	* testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
	* testsuite/20_util/duration/requirements/explicit_instantiation/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
	* testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
	* testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
	* testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
	* testsuite/20_util/ratio/cons/cons1.cc: Likewise.
	* testsuite/20_util/ratio/operations/45866.cc: Likewise.
	* testsuite/20_util/ratio/operations/47913.cc: Likewise.
	* testsuite/20_util/ratio/operations/53840.cc: Likewise.
	* testsuite/20_util/ratio/operations/ops1.cc: Likewise.
	* testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
	* testsuite/20_util/system_clock/1.cc: Likewise.
	* testsuite/20_util/time_point/1.cc: Likewise.
	* testsuite/20_util/time_point/2.cc: Likewise.
	* testsuite/20_util/time_point/3.cc: Likewise.
	* testsuite/20_util/time_point/requirements/explicit_instantiation/
	explicit_instantiation.cc: Likewise.
	* testsuite/21_strings/basic_string/requirements/
	explicit_instantiation/char16_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string/requirements/
	explicit_instantiation/char32_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/requirements/
	explicit_instantiation/char16_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/requirements/
	explicit_instantiation/char32_t/1.cc: Likewise.
	* testsuite/21_strings/char_traits/requirements/
	explicit_instantiation/char16_t/1.cc: Likewise.
	* testsuite/21_strings/char_traits/requirements/
	explicit_instantiation/char32_t/1.cc: Likewise.
	* testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
	* testsuite/22_locale/codecvt/char16_t.cc: Likewise.
	* testsuite/22_locale/codecvt/char32_t.cc: Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
	Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
	Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
	Likewise.
	* testsuite/22_locale/codecvt/utf8.cc: Likewise.
	* testsuite/23_containers/vector/bool/72847.cc: Likewise.
	* testsuite/23_containers/vector/debug/multithreaded_swap.cc:
	Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char16_t/1.cc: Likewise.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char32_t/1.cc: Likewise.
	* testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
	1.cc: Likewise.
	* testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
	1.cc: Likewise.

From-SVN: r263005