Revert "Makefile: export GOARCH, GOOS"

https://github.com/XTLS/Xray-core/pull/3275#issuecomment-2079093724

Fixes https://github.com/XTLS/Xray-core/issues/3305

Makefile

@@ -2,15 +2,6 @@ NAME = xray
 
 VERSION=$(shell git describe --always --dirty)
 
-export GOARCH ?=
-export GOOS ?=
-
-ifdef GOARCH
-	ifeq ($(GOOS),darwin)
-		NAME:=$(NAME)-$(GOARCH)
-	endif
-endif
-
 LDFLAGS = -X github.com/xtls/xray-core/core.build=$(VERSION) -s -w -buildid=
 PARAMS = -trimpath -ldflags "$(LDFLAGS)" -v
 MAIN = ./main