Remove Ubuntu 14.04 "trusty tahr" build scripts

Docker no longer ships packages for Ubuntu 14.04,
so remove the build scripts as well.

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

README.md

@@ -10,7 +10,6 @@ The scripts will build for this list of packages types:
 * DEB packages for Ubuntu 18.04 Bionic
 * DEB packages for Ubuntu 17.10 Artful
 * DEB packages for Ubuntu 16.04 Xenial
-* DEB packages for Ubuntu 14.04 Trusty
 * DEB packages for Debian 10 Buster
 * DEB packages for Debian 9 Stretch
 * RPM packages for Fedora 28

deb/Makefile

@@ -55,7 +55,7 @@ engine-$(ARCH).tar:
 deb: ubuntu debian raspbian ## build all deb packages
 
 .PHONY: ubuntu
-ubuntu: ubuntu-bionic ubuntu-xenial ubuntu-trusty ## build all ubuntu deb packages
+ubuntu: ubuntu-bionic ubuntu-xenial ## build all ubuntu deb packages
 
 .PHONY: debian
 debian: debian-stretch ## build all debian deb packages
@@ -84,13 +84,6 @@ ubuntu-xenial: $(SOURCES)
 	$(RUN)
 	$(CHOWN) -R $(shell id -u):$(shell id -g) debbuild/$@
 
-.PHONY: ubuntu-trusty
-ubuntu-trusty: ## build ubuntu trusty deb packages
-ubuntu-trusty: $(SOURCES)
-	$(BUILD)
-	$(RUN)
-	$(CHOWN) -R $(shell id -u):$(shell id -g) debbuild/$@
-
 .PHONY: debian-buster
 debian-buster: ## build debian buster deb packages
 debian-buster: $(SOURCES)