Revert "Add UI tests nightly build (#17948)" (#17960)

This reverts commit 032879991e.

automation/taskcluster/androidTest/flank-x86-start-test.yml

@@ -42,9 +42,6 @@ gcloud:
 
 flank:
   project: GOOGLE_PROJECT
-  # test shards - the amount of groups to split the test suite into
-  # set to -1 to use one shard per test.
-  max-test-shards: 1
   # num-test-runs: the amount of times to run the tests.
   # 1 runs the tests once. 10 runs all the tests 10x
   num-test-runs: 1

taskcluster/ci/build/kind.yml

@@ -63,15 +63,6 @@ jobs:
         treeherder:
             symbol: beta(Bf)
 
-    nightly-firebase:
-        disable-optimization: true
-        run-on-tasks-for: [github-push] # We want this on push so that we detect problem before triggering a new nightly
-        run:
-            gradle-build-type: nightly
-            test-build-type: nightly
-        treeherder:
-            symbol: nightly(Bf)
-
     android-test-debug:
         attributes:
             code-review: true
@@ -94,16 +85,13 @@ jobs:
     android-test-nightly:
         attributes:
             nightly: true
+        run:
+            gradle-build-type: androidTest
         apk-artifact-template:
             # 2 differences here:
             #  * "androidTest/" is added
             #  * "{gradle_build_type}" is forced to "debug"
-            path: '/builds/worker/checkouts/src/app/build/outputs/apk/androidTest/nightly/app-nightly-androidTest.apk'
-        disable-optimization: true
-        run:
-            gradle-build-type: androidTest
-            test-build-type: nightly
-        run-on-tasks-for: [github-push]
+            path: '/builds/worker/checkouts/src/app/build/outputs/apk/androidTest/debug/{fileName}'
         treeherder:
             symbol: nightly(Bat)
 

taskcluster/ci/signing/kind.yml

@@ -49,14 +49,13 @@ job-template:
             # No test job runs on push against this build type. Although we do want nightly-simulation
             # signed to use it in the gecko trees.
             # We want beta on push so that we detect problem before shipping it
-            (nightly-simulation|beta-firebase|android-test-beta|nightly-firebase|android-test-nightly): [github-push]
+            (nightly-simulation|beta-firebase|android-test-beta): [github-push]
             default: []
     treeherder:
         job-symbol:
             by-build-type:
                 android-test.+: Bats
                 beta-firebase: Bfs
-                nightly-firebase: Bfs
                 default: Bs
         kind: build
         platform: android-all/opt

taskcluster/ci/ui-test/kind.yml

@@ -80,17 +80,3 @@ jobs:
                 - [automation/taskcluster/androidTest/ui-test.sh, x86-beta-tests, app.apk, android-test.apk, '50']
         treeherder:
             symbol: beta(ui-test-x86-beta)
-    x86-nightly:
-        attributes:
-            build-type: nightly-firebase
-        description: Test Fenix
-        run-on-tasks-for: [github-push]
-        dependencies:
-            signing: signing-nightly-firebase
-            signing-android-test: signing-android-test-nightly
-        run:
-            commands:
-                - [automation/taskcluster/androidTest/ui-test.sh, x86-start-test, app.apk, android-test.apk, '-1']
-        treeherder:
-            symbol: nightly(ui-test-x86-nightly)
-