board/beaglebone: remove genimage_linux41.cfg

Commit 5502a889dd9f065ec4694a993cfa509377da2cce
("configs/beaglebone_qt5: don't use custom post-image script") removed the use
of genimage_linux41.cfg but didn't remove the file.

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/beaglebone/genimage_linux41.cfg

@@ -1,32 +0,0 @@
-image boot.vfat {
-	vfat {
-		files = {
-			"MLO",
-			"u-boot.img",
-			"zImage",
-			"uEnv.txt",
-			"am335x-evm.dtb",
-			"am335x-evmsk.dtb",
-			"am335x-bone.dtb",
-			"am335x-boneblack.dtb",
-		}
-	}
-	size = 16M
-}
-
-image sdcard.img {
-	hdimage {
-	}
-
-	partition u-boot {
-		partition-type = 0xC
-		bootable = "true"
-                image = "boot.vfat"
-	}
-
-	partition rootfs {
-		partition-type = 0x83
-		image = "rootfs.ext4"
-		size = 512M
-	}
-}