Undo unwanted changes in Makefile

Author: abdulhaseeb2

Makefile

@@ -14,7 +14,7 @@ endif
 BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
 
 # Image URL to use all building/pushing image targets
-IMG ?= stakater/slack-operator:SNAPSHOT-PR-42-b56a7463
+IMG ?= stakater/slack-operator:v$(VERSION)
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
 CRD_OPTIONS ?= "crd:trivialVersions=true,crdVersions=v1,preserveUnknownFields=false"