msm: kgsl: Remove IOCTL_KGSL_DEVICE_REGREAD from msm_kgsl.h

The code for IOCTL_KGSL_DEVICE_REGREAD was removed long ago
but the header was never cleaned up.

Change-Id: Id3eaf0486fae133dfd72a56ea915f63fcb3f6bb1
Signed-off-by: Harsh Vardhan Dwivedi <hdwivedi@codeaurora.org>
diff --git a/include/linux/msm_kgsl.h b/include/linux/msm_kgsl.h
index 69ff05b..0e62644 100644
--- a/include/linux/msm_kgsl.h
+++ b/include/linux/msm_kgsl.h
@@ -204,19 +204,8 @@
 #define IOCTL_KGSL_DEVICE_GETPROPERTY \
 	_IOWR(KGSL_IOC_TYPE, 0x2, struct kgsl_device_getproperty)
 
-
-/* read a GPU register.
-   offsetwords it the 32 bit word offset from the beginning of the
-   GPU register space.
+/* IOCTL_KGSL_DEVICE_READ (0x3) - removed 03/2012
  */
-struct kgsl_device_regread {
-	unsigned int offsetwords;
-	unsigned int value; /* output param */
-};
-
-#define IOCTL_KGSL_DEVICE_REGREAD \
-	_IOWR(KGSL_IOC_TYPE, 0x3, struct kgsl_device_regread)
-
 
 /* block until the GPU has executed past a given timestamp
  * timeout is in milliseconds.