packr: remove package

In Go 1.18+ embedded files is natively supported, so this package
is useless now. It has been archived on Jun 2022 and failed to build
on the riscv64 target.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

devel/packr/Makefile

@@ -1,55 +0,0 @@
-#
-# Copyright (C) 2020 Jeffery To
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=packr
-PKG_VERSION:=1.30.1
-PKG_RELEASE:=1
-
-PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=https://github.com/gobuffalo/packr.git
-PKG_SOURCE_VERSION:=v$(PKG_VERSION)
-PKG_MIRROR_HASH:=fe199299e6b7236cf9538c06d27ab1a4efd93cda2b3ea85bab9154be364760c8
-
-PKG_LICENSE:=MIT
-PKG_LICENSE_FILES:=LICENSE.txt
-PKG_MAINTAINER:=Jeffery To <jeffery.to@gmail.com>
-
-HOST_BUILD_DEPENDS:=golang/host
-HOST_BUILD_PARALLEL:=1
-
-PKG_BUILD_DEPENDS:=golang/host
-PKG_BUILD_PARALLEL:=1
-PKG_BUILD_FLAGS:=no-mips16
-
-GO_PKG:=github.com/gobuffalo/packr
-GO_PKG_BUILD_PKG:=github.com/gobuffalo/packr/packr
-
-include $(INCLUDE_DIR)/host-build.mk
-include $(INCLUDE_DIR)/package.mk
-include ../../lang/golang/golang-host-build.mk
-include ../../lang/golang/golang-package.mk
-
-define Package/packr
-  SECTION:=devel
-  CATEGORY:=Development
-  TITLE:=Embed static files into Go binaries
-  URL:=https://github.com/gobuffalo/packr
-  DEPENDS:=$(GO_ARCH_DEPENDS)
-endef
-
-define Package/packr/description
-  Packr is a simple solution for bundling static assets inside of Go
-  binaries. Most importantly it does it in a way that is friendly to
-  developers while they are developing.
-endef
-
-$(eval $(call GoBinHostBuild))
-$(eval $(call HostBuild))
-$(eval $(call GoBinPackage,packr))
-$(eval $(call BuildPackage,packr))