feat: change to nfpm from rpms

- nfpm has been packaged and stored in unkin repo

Makefile

@@ -1,6 +1,3 @@
-# Set the nfpm version to install
-NFPM_VERSION := 2.41.1
-
 # Get the current Git commit hash
 GIT_COMMIT := $(shell git rev-parse --short HEAD)
 
@@ -16,7 +13,6 @@ OWNER := unkin
 build:
 	docker build \
 		--network=host \
-		--build-arg NFPM_VERSION=$(NFPM_VERSION) \
 		-t $(REGISTRY)/$(OWNER)/$(IMAGE_NAME) .
 
 # Tag the Docker image with the Git commit hash, the date, and 'latest'