Merge "[BUILD] Cleanup chaintool build"

Makefile

@@ -149,16 +149,12 @@ linter: testenv
  @echo "LINT: Running code checks.."
  @$(DRUN) hyperledger/fabric-testenv:$(DOCKER_TAG) ./scripts/golinter.sh
 
-build/bin/chaintool: Makefile
+%/chaintool: Makefile
  @echo "Installing chaintool"
  @mkdir -p $(@D)
  curl -L https://github.com/hyperledger/fabric-chaintool/releases/download/$(CHAINTOOL_RELEASE)/chaintool > $@
  chmod +x $@
 
-%/bin/chaintool: build/bin/chaintool
- @mkdir -p $(@D)
- @cp $^ $@
-
 # We (re)build a package within a docker context but persist the $GOPATH/pkg
 # directory so that subsequent builds are faster
 build/docker/bin/%: $(PROJECT_FILES)