Removed merged match, updated a few doctest results

Tarball: https://github.com/sympy/sympy/releases/download/sympy-1.5/sympy-1.5.tar.gz

CC: @kiwifb @timokau @saraedum @slel

Component: packages: standard

Author: Antonio Rojas

Branch/Commit: c6d0308

Reviewer: François Bissey

Issue created by migration from https://trac.sagemath.org/ticket/28911