Run macOS PR build on single Spark version (#4409)

Author: andygrove

.github/workflows/pr_build_macos.yml

@@ -136,18 +136,6 @@ jobs:
             java_version: "17"
             maven_opts: "-Pspark-4.0 -Pscala-2.13"
 
-          - name: "Spark 4.1, JDK 17, Scala 2.13"
-            java_version: "17"
-            # The spark-4.1 profile already pins Scala to 2.13.17 to match Spark 4.1.1's
-            # runtime; the scala-2.13 profile would override it back to 2.13.16 and break.
-            maven_opts: "-Pspark-4.1"
-
-          - name: "Spark 4.2, JDK 17, Scala 2.13"
-            java_version: "17"
-            # The spark-4.2 profile pins Scala to 2.13.18 to match Spark 4.2.0-preview4's
-            # runtime; the scala-2.13 profile would override it back to 2.13.16 and break.
-            maven_opts: "-Pspark-4.2"
-
         suite:
           - name: "fuzz"
             value: |