Address some TODO(GYP_GONE)s

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index 1f44db8f1fcca5d83e8899d201204160cbf9d71b..da701f6f900f6128c9ffe1529784a64388425fcf 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -3529,9 +3529,6 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests",
-        "override_compile_targets": [
-          "telemetry_gpu_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true
         }
@@ -3542,9 +3539,6 @@
         ],
         "isolate_name": "telemetry_perf_unittests",
         "name": "telemetry_perf_unittests",
-        "override_compile_targets": [
-          "telemetry_perf_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true,
           "hard_timeout": 960,
@@ -3557,9 +3551,6 @@
         ],
         "isolate_name": "telemetry_unittests",
         "name": "telemetry_unittests",
-        "override_compile_targets": [
-          "telemetry_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 4
@@ -4202,9 +4193,6 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests",
-        "override_compile_targets": [
-          "telemetry_gpu_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true
         }
@@ -4215,9 +4203,6 @@
         ],
         "isolate_name": "telemetry_unittests",
         "name": "telemetry_unittests",
-        "override_compile_targets": [
-          "telemetry_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 4
@@ -4585,9 +4570,6 @@
       {
         "isolate_name": "telemetry_gpu_unittests",
         "name": "telemetry_gpu_unittests",
-        "override_compile_targets": [
-          "telemetry_gpu_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true
         }
@@ -4598,9 +4580,6 @@
         ],
         "isolate_name": "telemetry_unittests",
         "name": "telemetry_unittests",
-        "override_compile_targets": [
-          "telemetry_unittests_run"
-        ],
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 4