docs: Add latex magic to make PDFs reproducible again

Author: Scott Ashcroft

docs/source/conf.py

@@ -93,6 +93,9 @@
 latex_elements = {
         'releasename': 'Version',
         'preamble': r'''
+\pdfinfoomitdate 1
+\pdfsuppressptexinfo 1
+\pdftrailerid{}
 \usepackage{lmodern}
 \usepackage{comment}