Revert of Run telemetry_perf_unittests via isolate on "Mac tests", "Linux tests" and trybot with swarming

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 f62cc5fee7e11e75fc4fbfeb1b3628e38616e8a2..cff0500049200a55be477806ad628915402743b8 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -314,19 +314,16 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
-      },
-      {
-        "isolate_name": "telemetry_perf_unittests",
-        "name": "telemetry_perf_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
       },
       {
         "name": "nacl_integration",
@@ -603,19 +600,16 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
-      },
-      {
-        "isolate_name": "telemetry_perf_unittests",
-        "name": "telemetry_perf_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
       },
       {
         "name": "nacl_integration",
@@ -892,19 +886,16 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
-      },
-      {
-        "isolate_name": "telemetry_perf_unittests",
-        "name": "telemetry_perf_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
       },
       {
         "name": "nacl_integration",
@@ -1181,19 +1172,16 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
-      },
-      {
-        "isolate_name": "telemetry_perf_unittests",
-        "name": "telemetry_perf_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
       },
       {
         "name": "nacl_integration",
@@ -1471,19 +1459,16 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         }
-      },
-      {
-        "isolate_name": "telemetry_perf_unittests",
-        "name": "telemetry_perf_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
       }
     ],
     "scripts": [
       {
         "name": "telemetry_unittests",
         "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
       },
       {
         "name": "nacl_integration",