drop entity YAML in favor of json provided file

Step 5 of moving from entity map from YAML to JSON drops support for a
built-in YAML mapping of the entity containers.

Tested: Not tested.  No platform upstream updates this YAML file in
their builds.
Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ic2918f568f5a6f4a9f9135990889b3bb84a0c81d
diff --git a/Makefile.am b/Makefile.am
index bcac808..cd0b64e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,8 +25,7 @@
 libipmi20_BUILT_LIST = \
 	sensor-gen.cpp \
 	inventory-sensor-gen.cpp \
-	fru-read-gen.cpp \
-	entity-gen.cpp
+	fru-read-gen.cpp
 
 BUILT_SOURCES = \
 	ipmiwhitelist.cpp \
@@ -79,9 +78,6 @@
 fru-read-gen.cpp: scripts/readfru.mako.cpp scripts/fru_gen.py @FRU_YAML_GEN@
 	$(AM_V_GEN)@FRUGEN@ -o $(top_builddir) generate-cpp
 
-entity-gen.cpp: scripts/writeentity.mako.cpp scripts/entity_gen.py @ENTITY_YAML_GEN@
-	$(AM_V_GEN)@ENTITYGEN@ -o $(top_builddir) generate-cpp
-
 providers_LTLIBRARIES += libipmi20.la
 libipmi20_la_SOURCES = \
 	app/channel.cpp \