Revert "Mark firebase tests as flaky (#73586)" (#73591)

This reverts commit f364bcb5bd5772a193000492309a07d25e87489e.
diff --git a/dev/prod_builders.json b/dev/prod_builders.json
index 345a697..e27ee18 100644
--- a/dev/prod_builders.json
+++ b/dev/prod_builders.json
@@ -148,19 +148,19 @@
          "name": "Linux firebase_abstract_method_smoke_test",
          "repo": "flutter",
          "task_name": "linux_firebase_abstract_method_smoke_test",
-         "flaky": true
+         "flaky": false
       },
       {
          "name": "Linux firebase_android_embedding_v2_smoke_test",
          "repo": "flutter",
          "task_name": "linux_firebase_android_embedding_v2_smoke_test",
-         "flaky": true
+         "flaky": false
       },
       {
          "name": "Linux firebase_release_smoke_test",
          "repo": "flutter",
          "task_name": "linux_firebase_release_smoke_test",
-         "flaky": true
+         "flaky": false
       },
       {
          "name": "Linux flutter_gallery__back_button_memory",
diff --git a/dev/try_builders.json b/dev/try_builders.json
index 2e5b98f..4d989eb 100644
--- a/dev/try_builders.json
+++ b/dev/try_builders.json
@@ -49,19 +49,19 @@
          "name":"Linux firebase_abstract_method_smoke_test",
          "repo":"flutter",
          "task_name":"linux_firebase_abstract_method_smoke_test",
-         "enabled":false
+         "enabled":true
       },
       {
          "name":"Linux firebase_android_embedding_v2_smoke_test",
          "repo":"flutter",
          "task_name":"linux_firebase_android_embedding_v2_smoke_test",
-         "enabled":false
+         "enabled":true
       },
       {
          "name":"Linux firebase_release_smoke_test",
          "repo":"flutter",
          "task_name":"linux_firebase_release_smoke_test",
-         "enabled":false
+         "enabled":true
       },
       {
          "name":"Linux fuchsia_precache",