app-text/texlive: make texmf collide less

Package-Manager: Portage-2.3.76, Repoman-2.3.16
Signed-off-by: Mikle Kolyada <zlogene@gentoo.org>

diff --git a/app-text/texlive/texlive-2019.ebuild b/app-text/texlive/texlive-2019-r1.ebuild
similarity index 100%
rename from app-text/texlive/texlive-2019.ebuild
rename to app-text/texlive/texlive-2019-r1.ebuild