removing arch from PKGNAME

Makefile

@@ -1,9 +1,8 @@
 REPO            ?= riak_explorer
 PKG_VERSION	    ?= $(shell git describe --tags --abbrev=0 | tr - .)
-ARCH            ?= amd64
 OS_FAMILY          ?= ubuntu
 OS_VERSION       ?= 14.04
-PKGNAME         ?= $(REPO)-$(PKG_VERSION)-$(OS_FAMILY)-$(OS_VERSION)-$(ARCH).tar.gz
+PKGNAME         ?= $(REPO)-$(PKG_VERSION)-$(OS_FAMILY)-$(OS_VERSION).tar.gz
 OAUTH_TOKEN     ?= $(shell cat oauth.txt)
 GIT_TAG         ?= $(shell git describe --tags --abbrev=0)
 RELEASE_ID      ?= $(shell curl -sS https://api.github.com/repos/basho-labs/$(REPO)/releases/tags/$(GIT_TAG)?access_token=$(OAUTH_TOKEN) | python -c 'import sys, json; print json.load(sys.stdin)["id"]')
@@ -90,7 +89,7 @@ sync-delete-standalone:
 
 RIAK_BASE             ?= root
 PATCH_PKG_VERSION     ?= $(PKG_VERSION).patch
-PATCH_PKGNAME         ?= $(REPO)-$(PATCH_PKG_VERSION)-$(OS_FAMILY)-$(OS_VERSION)-$(ARCH).tar.gz
+PATCH_PKGNAME         ?= $(REPO)-$(PATCH_PKG_VERSION)-$(OS_FAMILY)-$(OS_VERSION).tar.gz
 PATCH_DEPLOY_BASE     ?= "https://uploads.github.com/repos/basho-labs/$(REPO)/releases/$(RELEASE_ID)/assets?access_token=$(OAUTH_TOKEN)&name=$(PATCH_PKGNAME)"
 PATCH_DOWNLOAD_BASE   ?= https://github.com/basho-labs/$(REPO)/releases/download/$(GIT_TAG)/$(PATCH_PKGNAME)