Remove erl_interface from makefile template

fixes https://github.com/erlang/rebar3/issues/2323

priv/templates/Makefile

@@ -34,7 +34,7 @@ endif
 CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
 CXXFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
 
-LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lerl_interface -lei
+LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lei
 LDFLAGS += -shared
 
 # Verbosity.