Run web integration tests on x64 or arm Macs (flutter#123714)

Run web integration tests on x64 or arm Macs

Author: jmagman

.ci.yaml

@@ -3147,7 +3147,6 @@ targets:
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
-      cpu: x86 # https://github.com/flutter/flutter/issues/120014
       add_recipes_cq: "true"
       dependencies: >-
         [
@@ -3173,7 +3172,6 @@ targets:
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
-      cpu: x86 # https://github.com/flutter/flutter/issues/120014
       add_recipes_cq: "true"
       dependencies: >-
         [
@@ -3199,7 +3197,6 @@ targets:
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
-      cpu: x86 # https://github.com/flutter/flutter/issues/120014
       add_recipes_cq: "true"
       dependencies: >-
         [
@@ -3225,7 +3222,6 @@ targets:
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
-      cpu: x86 # https://github.com/flutter/flutter/issues/120014
       add_recipes_cq: "true"
       dependencies: >-
         [
@@ -3318,7 +3314,6 @@ targets:
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
-      cpu: x86 # https://github.com/flutter/flutter/issues/120014
       dependencies: >-
         [
           {"dependency": "android_sdk", "version": "version:33v6"},