Remove erlang_protobuffs tests, only gpb works now

test/plugin_protobuffs.mk

@@ -15,38 +15,6 @@ protobuffs-compile: init
 	$t cp ../erlang.mk $(APP)/
 	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
 
-	$i "Add protobuffs to the list of dependencies"
-	$t perl -ni.bak -e 'print;if ($$.==1) {print "BUILD_DEPS = protobuffs\n"}' $(APP)/Makefile
-
-	$i "Download two proto files"
-	$t mkdir $(APP)/src/proto/
-	$t curl -s -o $(APP)/src/proto/empty.proto $(PROTOBUFFS_URL)/proto/empty.proto
-	$t curl -s -o $(APP)/src/proto/simple.proto $(PROTOBUFFS_URL)/proto/simple.proto
-
-	$i "Build the application"
-	$t $(MAKE) -C $(APP) $v
-
-	$i "Check that an Erlang module was generated and compiled"
-	$t test -f $(APP)/src/empty_pb.erl
-	$t test -f $(APP)/src/simple_pb.erl
-	$t test -f $(APP)/include/empty_pb.hrl
-	$t test -f $(APP)/include/simple_pb.hrl
-	$t test -f $(APP)/ebin/empty_pb.beam
-	$t test -f $(APP)/ebin/simple_pb.beam
-
-	$i "Check that the generated modules are included in .app file"
-	$t $(ERL) -pa $(APP)/ebin/ -eval " \
-		ok = application:load($(APP)), \
-		{ok, [empty_pb, simple_pb]} = application:get_key($(APP), modules), \
-		halt()"
-
-protobuffs-compile-with-gpb: init
-
-	$i "Bootstrap a new OTP library named $(APP)"
-	$t mkdir $(APP)/
-	$t cp ../erlang.mk $(APP)/
-	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
-
 	$i "Add gpb to the list of dependencies"
 	$t perl -ni.bak -e 'print;if ($$.==1) {print "BUILD_DEPS = gpb\n"}' $(APP)/Makefile
 
@@ -111,7 +79,7 @@ protobuffs-makefile-change: init
 	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
 
 	$i "Add protobuffs to the list of dependencies"
-	$t perl -ni.bak -e 'print;if ($$.==1) {print "BUILD_DEPS = protobuffs\n"}' $(APP)/Makefile
+	$t perl -ni.bak -e 'print;if ($$.==1) {print "BUILD_DEPS = gpb\n"}' $(APP)/Makefile
 
 	$i "Download two proto files"
 	$t mkdir $(APP)/src/proto/