[app-admin/mongo-tools] remove env vars for testing

app-admin/mongo-tools/mongo-tools-100.9.4.ebuild

@@ -57,7 +57,7 @@ src_compile() {
 	mkdir -p bin || die
 	for i in bsondump mongostat mongofiles mongoexport mongoimport mongorestore mongodump mongotop; do
 		echo "Building $i"
-		GO111MODULE='off' GOROOT="$(go env GOROOT)" GOPATH="${WORKDIR}" go build -buildmode="${buildmode}" -o "bin/$i" \
+		go build -buildmode="${buildmode}" -o "bin/$i" \
 			-ldflags "-X ${EGO_PN}/common/options.VersionStr=${PV}" -x --tags "${myconf[*]}" "$i/main/$i.go" || die
 	done
 }