Bug 1661807 - Remove the Reference Browser startup tests r=sparky

We had thought ReferenceBrowser tests would be useful in isolating Fenix startup regressions.
However the startup of the Reference Browser is not directly comparable to Fenix and so we have not used these tests.

Differential Revision: https://phabricator.services.mozilla.com/D88666

taskcluster/ci/perftest/android.yml

@@ -164,66 +164,6 @@ hw-p2-view-gv:
             --output $MOZ_FETCHES_DIR/../artifacts
             testing/performance/perftest_android_view.js
 
-android-hw-g5-applink-refbrow:
-    worker-type: t-bitbar-gw-perf-g5
-    description: Run applink perftest on the Reference Browser on a G5
-    treeherder:
-        symbol: perftest(applink-refbrow)
-    platform: android-hw-g5-7-0-arm7-api-16/opt
-    attributes:
-        cron: true
-    run:
-        command: >-
-            mkdir -p $MOZ_FETCHES_DIR/../artifacts &&
-            cd $GECKO_PATH &&
-            python3 python/mozperftest/mozperftest/runner.py
-            --flavor mobile-browser
-            --android
-            --android-app-name org.mozilla.reference.browser
-            --android-activity org.mozilla.reference.browser.IntentReceiverActivity
-            --android-clear-logcat
-            --android-capture-logcat logcat
-            --android-perf-tuning
-            --perfherder-metrics processLaunchToNavStart
-            --android-install-apk refbrow_nightly_api16
-            --hooks testing/performance/hooks_applink.py
-            --perfherder
-            --perfherder-app refbrow
-            --browsertime-geckodriver ${MOZ_FETCHES_DIR}/geckodriver
-            --browsertime-iterations 14
-            --output $MOZ_FETCHES_DIR/../artifacts
-            testing/performance/perftest_applink.js
-
-android-hw-p2-applink-refbrow:
-    worker-type: t-bitbar-gw-perf-p2
-    description: Run applink perftest on the Reference Browser on a Pixel 2
-    treeherder:
-        symbol: perftest(applink-refbrow)
-    platform: android-hw-p2-8-0-android-aarch64/opt
-    attributes:
-        cron: true
-    run:
-        command: >-
-            mkdir -p $MOZ_FETCHES_DIR/../artifacts &&
-            cd $GECKO_PATH &&
-            python3 python/mozperftest/mozperftest/runner.py
-            --flavor mobile-browser
-            --android
-            --android-app-name org.mozilla.reference.browser
-            --android-activity org.mozilla.reference.browser.IntentReceiverActivity
-            --android-clear-logcat
-            --android-capture-logcat logcat
-            --android-perf-tuning
-            --perfherder-metrics processLaunchToNavStart
-            --android-install-apk refbrow_nightly_aarch64
-            --hooks testing/performance/hooks_applink.py
-            --perfherder
-            --perfherder-app refbrow
-            --browsertime-geckodriver ${MOZ_FETCHES_DIR}/geckodriver
-            --browsertime-iterations 14
-            --output $MOZ_FETCHES_DIR/../artifacts
-            testing/performance/perftest_applink.js
-
 hw-g5-main-fenix:
     worker-type: t-bitbar-gw-perf-g5
     description: Run main (home activity) perftest on Fenix on a G5