Simplify the names in individual point "zones"

test/outlines/circles.yaml

@@ -14,13 +14,13 @@ outlines:
         type: circle
         anchor:
           ref:
-            - matrix_default_default
-            - mirror_matrix_default_default
+            - matrix
+            - mirror_matrix
         radius: 15
       outside_circles:
         type: circle
         anchor:
-          ref: matrix_default_default
+          ref: matrix
           shift: [-10, 10]
         radius: 5
         mirror: true

test/outlines/polygons.yaml

@@ -14,15 +14,15 @@ outlines:
         type: polygon
         points:
           - ref:
-              - matrix_default_default
-              - mirror_matrix_default_default
+              - matrix
+              - mirror_matrix
             shift: [0, 20]
           - shift: [20, -40]
           - shift: [-40, 0]
       outside_polys:
         type: polygon
         points:
-          - ref: matrix_default_default
+          - ref: matrix
             shift: [-10, 15]
           - shift: [5, -10]
           - shift: [-10, 0]

test/outlines/rectangles.yaml

@@ -14,14 +14,14 @@ outlines:
         type: rectangle
         anchor:
           ref:
-            - matrix_default_default
-            - mirror_matrix_default_default
+            - matrix
+            - mirror_matrix
           shift: [0, sy/2]
         size: [20, 40]
       outside_rects:
         type: rectangle
         anchor:
-          ref: matrix_default_default
+          ref: matrix
           shift: [-10, 10]
         size: 10
         mirror: true