Layouts: Fix some small inconsistencies and remove unused outlines

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/643>

data/keyboards/terminal/fr+bepo.yaml

@@ -2,14 +2,13 @@
 outlines:
     default:   { width: 35.33,  height: 46 }
     halfwidth: { width: 17.665, height: 46 }
+    narrow:    { width: 22.5,   height: 46 }
+    special:   { width: 35.33,  height: 46 }
     change-view:   { width: 42,     height: 46 }
     change-view-2:      { width: 50,     height: 46 }
     action:    { width: 59,     height: 46 }
-    altline:   { width: 42,     height: 46 }
     wide:      { width: 50,     height: 46 }
-    narrow:    { width: 22.5,   height: 46 }
     spaceline: { width: 119.47, height: 46 }
-    special:   { width: 35.33,  height: 46 }
     small:     { width: 50.471, height: 22 }
 
 views:

data/keyboards/terminal/fr+bepo_wide.yaml

@@ -4,7 +4,6 @@ outlines:
     halfwidth: { width: 27,   height: 37 }
     narrow:    { width: 40.5, height: 37 }
     special:   { width: 54,   height: 37 }
-    altline:   { width: 81,   height: 37 }
     change-view:   { width: 81,   height: 37 }
     large:     { width: 81,   height: 37 }
     action:    { width: 90,   height: 37 }

data/keyboards/terminal/us.yaml

@@ -36,7 +36,7 @@ views:
         - "TabSmall Ctrl Alt ↑ ↓ ← →"
         - "~ ` · √ π τ ÷ × ¶ @"
         - "© ® £ € ¥ ^ ° { }"
-        - "show_numbers   % | < > = [ ]  BackSpace"
+        - "show_numbers  % | < > = [ ]  BackSpace"
         - "show_letters preferences         space        . Return"
     actions:
         - "TabSmall Ctrl Alt PageUp PageDown Home End"

data/keyboards/terminal/us_wide.yaml

@@ -36,7 +36,7 @@ views:
         - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
         - "~ ` · √ π τ ÷ × ¶ @"
         - "© ® £ € ¥ ^ ° { }"
-        - "show_numbers   % | < > = [ ]  BackSpace"
+        - "show_numbers  % | < > = [ ]  BackSpace"
         - "show_letters preferences         space        . Return"
     actions:
         - "EscSmall TabSmall Ctrl Alt PageUp PageDown Home End"