Revert "add kernel config for qemu-sheb"

This reverts commit fcdd332c65744831eb4a3b91b84e16042547b852.

target/config/Config.in.kernel

@@ -45,7 +45,6 @@ config ADK_TARGET_KERNEL_MINICONFIG
 	default "qemu-virtex-ml507" if ADK_TARGET_QEMU_PPC_VIRTEX_ML507
 	default "qemu-ppc64" if ADK_TARGET_SYSTEM_QEMU_PPC64
 	default "qemu-sh" if ADK_TARGET_SYSTEM_QEMU_SH
-	default "qemu-sh" if ADK_TARGET_SYSTEM_QEMU_SHEB
 	default "qemu-sparc" if ADK_TARGET_SYSTEM_QEMU_SPARC
 	default "qemu-sparc64" if ADK_TARGET_SYSTEM_QEMU_SPARC64
 	default "qemu-x86" if ADK_TARGET_SYSTEM_QEMU_X86