Don't depend on YARM repo in Makefile

Makefile

@@ -1,35 +1,10 @@
-ifndef YARM_DIRECTORY
-$(error YARM_DIRECTORY must be set to the root directory of the YARM SoC)
-endif
-
-VHDL_DIR = $(YARM_DIRECTORY)/vhdl
-
-CODEDIR = code
-
 .PHONY: all
 all: main.pdf
 
-$(CODEDIR):
-	mkdir -p $@
-
-define headers_template =
-$1: $2
-	mkdir -p $1
-	./generate_entity_headers.py --skip-missing --dest-dir $1 $2
-
-HEADER_DIRS += $1
-endef
-
-$(eval $(call headers_template,sections/core/entities/,$(wildcard $(VHDL_DIR)/core/*.vhd)))
-
-.PHONY: entity_headers
-entity_headers: $(HEADER_DIRS)
-
 .PHONY: main.pdf
-main.pdf: $(HEADER_DIRS) main.tex
+main.pdf: main.tex
 	latexmk --pdflua --pdflualatex="lualatex -interaction=nonstopmode --shell-escape" --use-make main.tex
 
 .PHONY: clean
 clean:
-	rm -rf $(HEADER_DIRS)
 	latexmk -C