package/exfat: remove

Now that kernel 5.10 is in tree, this can be removed.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/kernel/exfat/Makefile

@@ -1,46 +0,0 @@
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=exfat
-PKG_VERSION:=5.10.1
-PKG_RELEASE:=1
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=https://codeload.github.com/namjaejeon/linux-exfat-oot/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=0ff77dd7d39eb231d00c3c4909b9fad31ebeeb618bd6fa18fce142becc9c1f98
-PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-exfat-oot-$(PKG_VERSION)
-
-PKG_MAINTAINER:=
-PKG_LICENSE:=GPL-2.0-only
-
-include $(INCLUDE_DIR)/package.mk
-
-define KernelPackage/fs-exfat
-  SECTION:=kernel
-  CATEGORY:=Kernel modules
-  SUBMENU:=Filesystems
-  TITLE:=exFAT kernel module
-  URL:=https://github.com/namjaejeon/linux-exfat-oot
-  FILES:=$(PKG_BUILD_DIR)/exfat.ko
-  AUTOLOAD:=$(call AutoProbe,exfat)
-  DEPENDS:= +kmod-nls-base
-endef
-
-define KernelPackage/exfat/description
-  This package provides the kernel module for exfat.
-endef
-
-define Build/Compile
-	$(KERNEL_MAKE) M="$(PKG_BUILD_DIR)" \
-	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
-	$(PKG_EXTRA_KCONFIG) \
-	CONFIG_EXFAT_FS=m \
-	modules
-endef
-
-$(eval $(call KernelPackage,fs-exfat))