revert latex docs build workaround

Author: FoamyGuy

Makefile

@@ -156,28 +156,22 @@ epub:
 	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
 
 latex:
-	$(PYTHON) docs/prepare_readme_for_latex.py
 	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	mv README.rst.bak README.rst
 	@echo
 	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
 	@echo "Run \`make' in that directory to run these through (pdf)latex" \
 	      "(use \`make latexpdf' here to do that automatically)."
 
 # seems to be malfunctioning
 latexpdf:
-	$(PYTHON) docs/prepare_readme_for_latex.py
 	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	mv README.rst.bak README.rst
 	@echo "Running LaTeX files through pdflatex..."
 	$(MAKE) -C $(BUILDDIR)/latex all-pdf
 	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
 
 # seems to be malfunctioning
 latexpdfja:
-	$(PYTHON) docs/prepare_readme_for_latex.py
 	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	mv README.rst.bak README.rst
 	@echo "Running LaTeX files through platex and dvipdfmx..."
 	$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
 	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."