[POWERPC] Remove dead code for preventing pread() and pwrite() calls

Remove the deactivated code for checking for pread() and pwrite()
calls on the PPC-based BRIQ.

Signed-off-by: Robert P. J. Day <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Paul Mackerras <[e-mail]>

drivers/char/briq_panel.c

···
 	unsigned short c;
 	unsigned char cp;
 
-#if 0	/*  Can't seek (pread) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-#endif
-
 	if (!vfd_is_open)
 		return -ENODEV;
 
···
 {
 	size_t indx = len;
 	int i, esc = 0;
-
-#if 0	/*  Can't seek (pwrite) on this device  */
-	if (ppos != &file->f_pos)
-		return -ESPIPE;
-#endif
 
 	if (!vfd_is_open)
 		return -EBUSY;