clear targets depending on `make devnet-allocs` at root (#13804)

op-e2e/Makefile

@@ -43,10 +43,6 @@ cannon-prestates:
 	make -C .. cannon-prestate-mt
 .PHONY: cannon-prestate
 
-# We depend on the absolute pre-state generated by cannon to deploy the dispute game contracts.
-devnet-allocs: pre-test-cannon
-	make -C .. devnet-allocs
-.PHONY: devnet-allocs
 
 pre-test: pre-test-cannon
 .PHONY: pre-test
@@ -57,11 +53,6 @@ pre-test-cannon:
 	fi
 .PHONY: pre-test-cannon
 
-pre-test-allocs:
-	@if [ ! -e ../.devnet ]; then \
-		make devnet-allocs; \
-	fi
-.PHONY: pre-test-allocs
 
 clean:
 	rm -r ../.devnet