Revert of Convert ipc_mojo_unittests to run exclusively on Swarming

testing/buildbot/chromium.memory.fyi.json

Index: testing/buildbot/chromium.memory.fyi.json
diff --git a/testing/buildbot/chromium.memory.fyi.json b/testing/buildbot/chromium.memory.fyi.json
index 17b714a4e0c096030a1954ea1f33e2bde1f23010..0303b2e8c40af73f1bfaac2c63eafb3dd6bf2137 100644
--- a/testing/buildbot/chromium.memory.fyi.json
+++ b/testing/buildbot/chromium.memory.fyi.json
@@ -117,9 +117,6 @@
         "test": "gcm_unit_tests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "gl_unittests"
       },
       {
@@ -139,9 +136,6 @@
         "test": "interactive_ui_tests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ipc_mojo_unittests"
       },
       {
@@ -387,9 +381,6 @@
         "test": "gfx_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "gl_unittests"
       },
       {
@@ -408,9 +399,6 @@
         "test": "interactive_ui_tests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ipc_mojo_unittests"
       },
       {
@@ -646,9 +634,6 @@
         "test": "gfx_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "gl_unittests"
       },
       {
@@ -661,9 +646,6 @@
         "test": "gpu_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ipc_mojo_unittests"
       },
       {