remove orca tests

Author: LiamConnors

Diff for: .circleci/config.yml

@@ -249,14 +249,6 @@ jobs:
       - test_optional:
           py: "312_no_numpy"
 
-  # Orca
-  python_38_orca:
-    docker:
-      - image: cimg/python:3.8-browsers
-    steps:
-      - test_orca:
-          py: "38"
-
   # Percy
   python_39_percy:
     docker:
@@ -613,7 +605,6 @@ workflows:
       - python_311_optional
       - python_312_optional
       - python_39_pandas_2_optional
-      - python_38_orca
       - python_39_percy
       - python_312_no_numpy
       - build-doc