gralloc: Remove pmem includes

Remove android_pmem as it is no longer used

Change-Id: Ib4328c57306da1ef87f9b822e70ff91da302c99a
diff --git a/libgralloc/gralloc.cpp b/libgralloc/gralloc.cpp
index fd4d208..6b41ce6 100644
--- a/libgralloc/gralloc.cpp
+++ b/libgralloc/gralloc.cpp
@@ -24,8 +24,6 @@
 #include <sys/ioctl.h>
 #include <cutils/properties.h>
 
-#include <linux/android_pmem.h>
-
 #include "gr.h"
 #include "gpu.h"
 #include "memalloc.h"
diff --git a/libgralloc/mapper.cpp b/libgralloc/mapper.cpp
index e415b3c..c419da6 100644
--- a/libgralloc/mapper.cpp
+++ b/libgralloc/mapper.cpp
@@ -34,7 +34,6 @@
 
 #include <hardware/hardware.h>
 #include <hardware/gralloc.h>
-#include <linux/android_pmem.h>
 
 #include "gralloc_priv.h"
 #include "gr.h"