Use pari ellrank instead of ellQ_ellrank from Denis Simon script

[videlec]

Since PARI 2.15, the computation of the rank of rational elliptic curves is available in the ellrank function. It is supposedly much faster than what is available in Denis Simon script that sage is using.

Though, the output is not compatible: pari returns a quadruple [r, s, XXX, v] where Denis Simon version returns a triple [r, s, v].The XXX is related to the Tate-Shafarevich group.

Depends on #34537

CC: @antonio-rojas

Component: number theory

Issue created by migration from https://trac.sagemath.org/ticket/34608