Remove test entries from json lists in the chromium tree.

testing/buildbot/chromium.mac.json

Index: testing/buildbot/chromium.mac.json
diff --git a/testing/buildbot/chromium.mac.json b/testing/buildbot/chromium.mac.json
index e810873b4697c94d82e37ae70600ff00adecae45..ef5867d7d4117b0f5ee898b4de16370903b6f052 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -87,10 +87,6 @@
       "url_unittests"
     ]
   },
-  "Mac10.6 Tests (2)": {
-    "gtest_tests": [
-    ]
-  },
   "Mac10.7 Tests (1)": {
     "gtest_tests": [
       "accessibility_unittests",
@@ -179,10 +175,6 @@
       "url_unittests"
     ]
   },
-  "Mac10.7 Tests (2)": {
-    "gtest_tests": [
-    ]
-  },
   "Mac 10.6 Tests (dbg)(1)": {
     "gtest_tests": [
       "accessibility_unittests",
@@ -271,10 +263,6 @@
       "url_unittests"
     ]
   },
-  "Mac 10.6 Tests (dbg)(2)": {
-    "gtest_tests": [
-    ]
-  },
   "Mac 10.7 Tests (dbg)(1)": {
     "gtest_tests": [
       "accessibility_unittests",
@@ -363,9 +351,5 @@
       },
       "url_unittests"
     ]
-  },
-  "Mac 10.7 Tests (dbg)(2)": {
-    "gtest_tests": [
-    ]
   }
 }