package/freescale-imx/imx-gpu-viv: remove fb headers fixup

As it doesn't seem to be needed any longer. Also it was agreed to fix
packages not using pkgconfig properly instead of doing this sed.

Tested on i.MX6 platform with Qt5, no more issues.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/freescale-imx/imx-gpu-viv/imx-gpu-viv.mk

@@ -58,15 +58,6 @@ define IMX_GPU_VIV_BUILD_CMDS
 	ln -sf libVDK-$(IMX_GPU_VIV_LIB_TARGET).so $(@D)/gpu-core/usr/lib/libVDK.so
 endef
 
-ifeq ($(IMX_GPU_VIV_LIB_TARGET),fb)
-define IMX_GPU_VIV_FIXUP_FB_HEADERS
-	$(SED) '39i\
-		#if !defined(EGL_API_X11) && !defined(EGL_API_DFB) && !defined(EGL_API_FB) \n\
-		#define EGL_API_FB \n\
-		#endif' $(STAGING_DIR)/usr/include/EGL/eglplatform.h
-endef
-endif
-
 ifeq ($(IMX_GPU_VIV_LIB_TARGET),fb)
 define IMX_GPU_VIV_FIXUP_PKGCONFIG
 	ln -sf egl_linuxfb.pc $(@D)/gpu-core/usr/lib/pkgconfig/egl.pc
@@ -89,7 +80,6 @@ endif
 
 define IMX_GPU_VIV_INSTALL_STAGING_CMDS
 	cp -r $(@D)/gpu-core/usr/* $(STAGING_DIR)/usr
-	$(IMX_GPU_VIV_FIXUP_FB_HEADERS)
 	$(IMX_GPU_VIV_FIXUP_PKGCONFIG)
 	for lib in egl gbm glesv1_cm glesv2 vg; do \
 		$(INSTALL) -m 0644 -D \