[librsvg: 17/53] Remove the special 48dpi test files

[Federico Mena Quintero <federico src gnome org>]

commit 3621a2a59a01c34bbb93f8437c33441d08171e7e
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Oct 14 16:15:33 2020 -0500

    Remove the special 48dpi test files
    
    I think the "non-standard DPI" case is covered throughout the rest of
    the test suite, which is rendered at 72 DPI.

 .../reftests/bugs/310-font-size-at-48dpi-ref.png   | Bin 6695 -> 0 bytes
 .../reftests/bugs/310-font-size-at-48dpi.svg       |  63 ---------------------
 .../reftests/bugs/348-font-size-48dpi-ref.png      | Bin 3682 -> 0 bytes
 .../fixtures/reftests/bugs/348-font-size-48dpi.svg |  12 ----
 4 files changed, 75 deletions(-)