video: fbdev: remove dead igafb driver

igafb driver hasn't compiled since at least kernel v2.6.34 as
commit 6016a36 ("of: unify phandle name in struct device_node")
missed updating igafb.c to use dp->phandle instead of dp->node.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/Kconfig

@@ -905,16 +905,6 @@ config FB_LEO
 	  This is the frame buffer device driver for the SBUS-based Sun ZX
 	  (leo) frame buffer cards.
 
-config FB_IGA
-	bool "IGA 168x display support"
-	depends on (FB = y) && SPARC32
-	select FB_CFB_FILLRECT
-	select FB_CFB_COPYAREA
-	select FB_CFB_IMAGEBLIT
-	help
-	  This is the framebuffer device for the INTERGRAPHICS 1680 and
-	  successor frame buffer cards.
-
 config FB_XVR500
 	bool "Sun XVR-500 3DLABS Wildcat support"
 	depends on (FB = y) && PCI && SPARC64

drivers/video/fbdev/Makefile

@@ -64,7 +64,6 @@ obj-$(CONFIG_FB_HGA)              += hgafb.o
 obj-$(CONFIG_FB_XVR500)           += sunxvr500.o
 obj-$(CONFIG_FB_XVR2500)          += sunxvr2500.o
 obj-$(CONFIG_FB_XVR1000)          += sunxvr1000.o
-obj-$(CONFIG_FB_IGA)              += igafb.o
 obj-$(CONFIG_FB_APOLLO)           += dnfb.o
 obj-$(CONFIG_FB_Q40)              += q40fb.o
 obj-$(CONFIG_FB_TGA)              += tgafb.o