Put acknowledgments in right place and other cleanups

* Remove today's date
* Remove appendix
* Remove acronyms

project_templates/technote_spietex/{{cookiecutter.series.lower()}}-{{cookiecutter.serial_number}}/{{cookiecutter.series.upper()}}-{{cookiecutter.serial_number}}.tex

@@ -34,7 +34,6 @@
 
 \begin{document}
 \input{authors}
-\date{\today}
 \title{ {{- cookiecutter.title -}} }
 
 % This can write metadata into the PDF.
@@ -51,17 +50,14 @@
 
 \input{body}
 
-\appendix
+\acknowledgments
+
+This material is based upon work supported in part by the National Science Foundation through Cooperative Agreement AST-1258333 and Cooperative Support Agreement AST-1202910 managed by the Association of Universities for Research in Astronomy (AURA), and the Department of Energy under Contract No.\ DE-AC02-76SF00515 with the SLAC National Accelerator Laboratory managed by Stanford University.
+Additional Rubin Observatory funding comes from private donations, grants to universities, and in-kind support from LSST-DA Institutional Members.
+
 % Include all the relevant bib files.
 % https://lsst-texmf.lsst.io/lsstdoc.html#bibliographies
-\section{References} \label{sec:bib}
 \bibliographystyle{spiebib}
 \bibliography{local,lsst,lsst-dm,refs_ads,refs,books}
 
-% Make sure lsst-texmf/bin/generateAcronyms.py is in your path
-\section{Acronyms} \label{sec:acronyms}
-\input{acronyms.tex}
-\noindent {\tiny This material or work is supported in part by the National Science Foundation through Cooperative Agreement AST-1258333 and Cooperative Support Agreement AST1836783 managed by the Association of Universities for Research in Astronomy (AURA), and the Department of Energy under Contract No. DE-AC02-76SF00515 with the SLAC National Accelerator Laboratory managed by Stanford University.
-}
-
 \end{document}