simplify example

examples/lang_c/Makefile

@@ -1,34 +0,0 @@
-CC := gcc
-
-THIS_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
-REPO_ROOT := $(THIS_DIR)/../../../..
-
-build: out/lang_c
-
-clean:
-	rm -r out || true
-	rm include/servicepoint.h || true
-	cargo clean
-
-run: out/lang_c
-	out/lang_c
-
-PHONY: build clean dependencies run
-
-out/lang_c: dependencies src/main.c
-	mkdir -p out || true
-	${CC} src/main.c \
-		-I include \
-		-L $(REPO_ROOT)/target/release \
-		-Wl,-Bstatic -lservicepoint_binding_c \
-		-Wl,-Bdynamic -llzma \
-		-o out/lang_c
-
-dependencies: FORCE
-	mkdir -p include || true
-	# generate servicepoint header and binary to link against
-	SERVICEPOINT_HEADER_OUT=$(THIS_DIR)/include cargo build \
-		--manifest-path=$(REPO_ROOT)/crates/servicepoint_binding_c/Cargo.toml \
-		--release
-
-FORCE: ;