When using the org-latex-export-to-pdf on any foo.org file I get the
foo.pdf file produced the right way but I also get the foo.tex file.

I think that the whole point of exporting to pdf is only to get the pdf
file, avoiding the need to keep the latex one.

I guess that one of org-latex-compile or org-latex-export-to-pdf
function should remove the source LaTeX file if the compile went well.

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Emacs  : GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.24, cairo version 1.16.0)
 of 2021-03-28, modified by Debian
Package: Org mode version 9.4 (9.4-elpa @ /home/bruno/.emacs.d/elpa/org-9.4/)

-- 
Bruno BEAUFILS