MDL-82211 mod_choice: Update SVG icons and remove unused ones

mod/choice/lib.php

@@ -1276,16 +1276,6 @@ function mod_choice_core_calendar_event_timestart_updated(\calendar_event $event
     }
 }
 
-/**
- * Get icon mapping for font-awesome.
- */
-function mod_choice_get_fontawesome_icon_map() {
-    return [
-        'mod_choice:row' => 'fa-info',
-        'mod_choice:column' => 'fa-columns',
-    ];
-}
-
 /**
  * Add a get_coursemodule_info function in case any choice type wants to add 'extra' information
  * for the course (see resource).

mod/choice/pix/column.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512" preserveAspectRatio="xMinYMid meet"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M0 96C0 60.7 28.7 32 64 32H448c35.3 0 64 28.7 64 64V416c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V96zm64 64V416H224V160H64zm384 0H288V416H448V160z"/></svg>

mod/choice/pix/row.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 192 512" preserveAspectRatio="xMinYMid meet"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M48 80a48 48 0 1 1 96 0A48 48 0 1 1 48 80zM0 224c0-17.7 14.3-32 32-32H96c17.7 0 32 14.3 32 32V448h32c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H64V256H32c-17.7 0-32-14.3-32-32z"/></svg>