[ios] Move ios-slimnav from fyi to mac.

Change-Id: I9da271f43547686c9e141b2875e0b796d7adabae
Reviewed-on: https://chromium-review.googlesource.com/c/1340643Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608889}

infra/config/global/luci-milo.cfg

@@ -494,6 +494,11 @@ consoles {
     category: "chromium.mac|ios"
     short_name: "web"
   }
+  builders {
+    name: "buildbucket/luci.chromium.ci/ios-slimnav"
+    category: "chromium.mac|ios"
+    short_name: "slim"
+  }
   builders {
     name: "buildbucket/luci.chromium.ci/Linux Builder"
     category: "chromium.linux|release"
@@ -912,6 +917,11 @@ consoles {
     category: "ios"
     short_name: "web"
   }
+  builders {
+    name: "buildbucket/luci.chromium.ci/ios-slimnav"
+    category: "ios"
+    short_name: "slim"
+  }
 }
 
 consoles {
@@ -2763,11 +2773,6 @@ consoles {
     name: "buildbucket/luci.chromium.ci/ios-device-goma-canary-clobber"
     category: "goma|ios"
   }
-  builders {
-    name: "buildbucket/luci.chromium.ci/ios-slimnav"
-    category: "iOS"
-    short_name: "slim"
-  }
   builders {
     name: "buildbucket/luci.chromium.ci/ios12-sdk-device"
     category: "iOS|iOS12"
@@ -3143,11 +3148,6 @@ consoles {
     name: "buildbucket/luci.chromium.ci/ios-device-goma-canary-clobber"
     category: "goma|ios"
   }
-  builders {
-    name: "buildbucket/luci.chromium.ci/ios-slimnav"
-    category: "iOS"
-    short_name: "slim"
-  }
   builders {
     name: "buildbucket/luci.chromium.ci/ios12-sdk-device"
     category: "iOS|iOS12"
@@ -5259,7 +5259,7 @@ consoles {
   }
   builders {
     name: "buildbucket/luci.chromium.ci/ios-slimnav"
-    category: "chromium.fyi"
+    category: "chromium.mac"
     short_name: "slim"
   }
   builders {