Starting to get rid of the C version of things that can be in crystal

src/Makefile

@@ -1,17 +1,7 @@
 CC=gcc
-all: test
 shortcodes.c: shortcodes.rl
 	ragel -G2 shortcodes.rl -o shortcodes.c
-tests.so: shortcodes.c tests.c
-	$(CC) -fPIC -shared -g -o $@ $^ -lbg -lcgreen
 clean:
-	rm -f shortcodes.c *.o *.so tests
-test: tests.so
-	cgreen-runner $^
-debug:
-	cgreen-debug tests.so
+	rm -f shortcodes.o
 %o: %c
 	$(CC) -g -c -o $@ $^
-shortcodes.a: shortcodes.o
-	ar rcs $@ $^
-.PHONY: test debug

src/shortcodes.cr

@@ -1,4 +1,4 @@
-@[Link(ldflags: "#{__DIR__}/../shortcodes.o")]
+@[Link(ldflags: "#{__DIR__}/shortcodes.o")]
 lib Shortcodes
 
   struct Chunk