Revert of Convert ppapi_unittests to run exclusively on Swarming

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index f87d26f36c0fb89148d1179f15bc6b9884160105..0767b2eab7deb7291f9072246dc59bd38e76a2a0 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -306,9 +306,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -462,9 +459,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -617,9 +611,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -791,9 +782,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -936,9 +924,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1070,9 +1055,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1204,9 +1186,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1338,9 +1317,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1472,9 +1448,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1606,9 +1579,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1763,9 +1733,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -1938,9 +1905,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2090,9 +2054,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2224,9 +2185,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2358,9 +2316,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2492,9 +2447,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2604,9 +2556,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2735,9 +2684,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -2869,9 +2815,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -3111,9 +3054,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {
@@ -3558,9 +3498,6 @@
         "test": "net_unittests"
       },
       {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ppapi_unittests"
       },
       {