a11y: Update tests after removing AtkText from GailRange

tests/a11y/range.txt

@@ -40,37 +40,6 @@ window1
       <AtkComponent>
       layer: widget
       alpha: 1
-      <AtkText>
-      text: ‎45.5
-      character count: 5
-      caret offset: 0
-      default attributes: bg-color: <omitted>
-                          bg-full-height: 0
-                          bg-stipple: false
-                          direction: <omitted>
-                          editable: false
-                          family-name: <omitted>
-                          fg-color: <omitted>
-                          fg-stipple: false
-                          indent: 0
-                          invisible: false
-                          justification: left
-                          language: <omitted>
-                          left-margin: 0
-                          pixels-above-lines: 0
-                          pixels-below-lines: 0
-                          pixels-inside-wrap: 0
-                          right-margin: 0
-                          rise: 0
-                          scale: 1
-                          size: <omitted>
-                          stretch: <omitted>
-                          strikethrough: false
-                          style: <omitted>
-                          underline: none
-                          variant: <omitted>
-                          weight: <omitted>
-                          wrap-mode: word
       <AtkAction>
       action 0 name: activate
       <AtkValue>