chore: updated readme and makefile

Makefile

@@ -106,14 +106,12 @@ $(BUILD_DIR)/$(TEST_DIR)/%.c.o: $(TEST_DIR)/%.c
 lint:
 	clang-format -n --Werror $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
 	make -C lsm lint
-	make -C lnm lint
 	make -C landerctl lint
 
 .PHONY: fmt
 fmt:
 	clang-format -i $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
 	make -C lsm fmt
-	make -C lnm fmt
 	make -C landerctl fmt
 
 .PHONY: check
@@ -130,7 +128,6 @@ check:
 		-j$(shell nproc) \
 		$(SRCS)
 	make -C lsm check
-	make -C lnm check
 	make -C landerctl check
 
 .PHONY: clean