Revert "AndroidConfig: define HAVE_PTHREAD_SETNAME_NP"

This reverts commit de50fc1a87447b5e9c2b5dc3c074c72af5e57b1f.
diff --git a/include/arch/linux-arm/AndroidConfig.h b/include/arch/linux-arm/AndroidConfig.h
index dcac2d4..26547a2 100644
--- a/include/arch/linux-arm/AndroidConfig.h
+++ b/include/arch/linux-arm/AndroidConfig.h
@@ -42,11 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Do we have pthread_setname_np()?
- */
-#define HAVE_PTHREAD_SETNAME_NP
-
-/*
  * Do we have the futex syscall?
  */
 
diff --git a/include/arch/linux-sh/AndroidConfig.h b/include/arch/linux-sh/AndroidConfig.h
index f8bd083..67ac277 100644
--- a/include/arch/linux-sh/AndroidConfig.h
+++ b/include/arch/linux-sh/AndroidConfig.h
@@ -42,11 +42,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Do we have pthread_setname_np()?
- */
-#define HAVE_PTHREAD_SETNAME_NP
-
-/*
  * Do we have the futex syscall?
  */
 
diff --git a/include/arch/target_linux-x86/AndroidConfig.h b/include/arch/target_linux-x86/AndroidConfig.h
index 93eaeb4..d89d054 100644
--- a/include/arch/target_linux-x86/AndroidConfig.h
+++ b/include/arch/target_linux-x86/AndroidConfig.h
@@ -28,11 +28,6 @@
 #define HAVE_PTHREADS
 
 /*
- * Do we have pthread_setname_np()?
- */
-#define HAVE_PTHREAD_SETNAME_NP
-
-/*
  * Do we have the futex syscall?
  */