[studio,keel] Make keel-pack command a Studio Module subcommand

Makefile

@@ -27,8 +27,8 @@ git-push-ox:
 	git subtree push --prefix=deps/oxlib ox-master master
 
 .PHONY: pkg-gba
-pkg-gba: build-pack build-gba-player
-	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME_CAP}
+pkg-gba: build-studio build-gba-player
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py ${PROJECT_STUDIO} sample_project ${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-mac
 pkg-mac: install
@@ -47,11 +47,6 @@ build-gba-player:
 build-player:
 	${BC_CMD_CMAKE_BUILD} ${BC_VAR_BUILD_PATH} ${BC_VAR_PROJECT_NAME_CAP}
 
-.PHONY: build-pack
-build-pack:
-	cmake --build ./build/${BC_VAR_CURRENT_BUILD} --target ${BC_VAR_PROJECT_NAME}-pack
-
-
 .PHONY: run
 run: build-player
 	${PROJECT_PLAYER} sample_project