always update the plugins

always update the plugins

if you change the FROM, it will rebuild anyway, so this will push a new build with just the new plugins

diff --git a/Makefile b/Makefile
index 0cf19e5..2f46946 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,5 @@
 IMAGE := discourse/logstash
 TAG := $(shell grep FROM Dockerfile | cut -d: -f2)-$(shell date +%s)
-CACHE := $(if $(FORCE),--no-cache,)
 
 .PHONY: push
 push: build
@@ -8,5 +7,5 @@ push: build
 
 .PHONY: build
 build:
-	docker build ${CACHE} -t ${IMAGE}:${TAG} .
+	docker build --no-cache -t ${IMAGE}:${TAG} .
 
diff --git a/README.md b/README.md
index 0702a3a..ae68407 100644
--- a/README.md
+++ b/README.md
@@ -2,5 +2,3 @@
 Logstash official Docker image + some plugins
 
 Running `make` will build and push.
-
-Run `FORCE=1 make` to ignore docker's cache and download the newest plugins.

GitHub sha: 5cf58c20bcfb22d0a400f9e630396ba1df0d15c8