Bug 1998551 - Disable darwin/linux platforms for telemetry alerting. (#9120)

This patch disables telemetry alerting on darwin/linux due to high false positive rates.

Author: gmierz

treeherder/perf/auto_perf_sheriffing/sherlock.py

@@ -282,6 +282,9 @@ def telemetry_alert(self):
         repository = Repository.objects.get(name="mozilla-central")
         framework = PerformanceFramework.objects.get(name="telemetry")
         for metric_info in metric_definitions:
+            if metric_info["platform"] == "mobile":
+                # Skip mobile detection since it's currently broken
+                continue
             if metric_info["name"] not in INITIAL_PROBES:
                 continue
             try:
@@ -300,11 +303,7 @@ def telemetry_alert(self):
             logger.info(f"Running detection for {probe.name}")
             cdf_ts_detector = ts_detectors[probe.get_change_detection_technique()]
 
-            for platform in ("Windows", "Darwin", "Linux"):
-                if metric_info["platform"] == "mobile" and platform != "Mobile":
-                    continue
-                elif metric_info["platform"] == "desktop" and platform == "Mobile":
-                    continue
+            for platform in ("Windows",):
                 logger.info(f"On Platform {platform}")
                 try:
                     data = get_metric_table(