libitm: Remove dead code.

	* local_type_traits: Remove file.
	* libitm_i.h: Don't include it anymore.
	(sized_integral): Remove.

From-SVN: r232581

libitm/ChangeLog

+2016-01-19  Torvald Riegel  <triegel@redhat.com>
+
+	* local_type_traits: Remove file.
+	* libitm_i.h: Don't include it anymore.
+	(sized_integral): Remove.
+
 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 
 	* method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization

libitm/libitm_i.h

@@ -36,7 +36,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unwind.h>
-#include "local_type_traits"
 #include "local_atomic"
 
 /* Don't require libgcc_s.so for exceptions.  */
@@ -49,13 +48,6 @@ namespace GTM HIDDEN {
 
 using namespace std;
 
-// A helper template for accessing an unsigned integral of SIZE bytes.
-template<size_t SIZE> struct sized_integral { };
-template<> struct sized_integral<1> { typedef uint8_t type; };
-template<> struct sized_integral<2> { typedef uint16_t type; };
-template<> struct sized_integral<4> { typedef uint32_t type; };
-template<> struct sized_integral<8> { typedef uint64_t type; };
-
 typedef unsigned int gtm_word __attribute__((mode (word)));
 
 // These values are given to GTM_restart_transaction and indicate the