implement http using tcp sockets,

remove cgi ssi lwip_http,
remove makefsdata.py

Makefile

@@ -1,13 +1,9 @@
 .PHONY: all clean build makefsdata
 
-all: clean makefsdata build
+all: clean build
 
 clean:
 	$(MAKE) -C build/ clean
-	rm -rf wwwdata.c
-
-makefsdata:
-	python3 makefsdata.py
 
 build:
 	$(MAKE) -C build/