chore: Update discovery artifacts (#1412)

## Deleted keys were detected in the following pre-stable discovery artifacts:
managedidentities v1alpha1 https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2
managedidentities v1beta1 https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2

## Discovery Artifact Change Summary:
feat(managedidentities): update the api https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2
diff --git a/docs/dyn/notebooks_v1.projects.locations.schedules.html b/docs/dyn/notebooks_v1.projects.locations.schedules.html
index 35bf899..7c602e0 100644
--- a/docs/dyn/notebooks_v1.projects.locations.schedules.html
+++ b/docs/dyn/notebooks_v1.projects.locations.schedules.html
@@ -114,7 +114,7 @@
   "createTime": "A String", # Output only. Time the schedule was created.
   "cronSchedule": "A String", # Cron-tab formatted schedule by which the job will execute Format: minute, hour, day of month, month, day of week e.g. 0 0 * * WED = every Wednesday More examples: https://crontab.guru/examples.html
   "description": "A String", # A brief description of this environment.
-  "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens ‘-’, and underscores ‘_’.
+  "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens '-', and underscores '_'.
   "executionTemplate": { # The description a notebook execution workload. # Notebook Execution Template corresponding to this schedule.
     "acceleratorConfig": { # Definition of a hardware accelerator. Note that not all combinations of `type` and `core_count` are valid. Check GPUs on Compute Engine to find a valid combination. TPUs are not supported. # Configuration (count and accelerator type) for hardware running notebook execution.
       "coreCount": "A String", # Count of cores of this accelerator.
@@ -249,7 +249,7 @@
   "createTime": "A String", # Output only. Time the schedule was created.
   "cronSchedule": "A String", # Cron-tab formatted schedule by which the job will execute Format: minute, hour, day of month, month, day of week e.g. 0 0 * * WED = every Wednesday More examples: https://crontab.guru/examples.html
   "description": "A String", # A brief description of this environment.
-  "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens ‘-’, and underscores ‘_’.
+  "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens '-', and underscores '_'.
   "executionTemplate": { # The description a notebook execution workload. # Notebook Execution Template corresponding to this schedule.
     "acceleratorConfig": { # Definition of a hardware accelerator. Note that not all combinations of `type` and `core_count` are valid. Check GPUs on Compute Engine to find a valid combination. TPUs are not supported. # Configuration (count and accelerator type) for hardware running notebook execution.
       "coreCount": "A String", # Count of cores of this accelerator.
@@ -327,7 +327,7 @@
       "createTime": "A String", # Output only. Time the schedule was created.
       "cronSchedule": "A String", # Cron-tab formatted schedule by which the job will execute Format: minute, hour, day of month, month, day of week e.g. 0 0 * * WED = every Wednesday More examples: https://crontab.guru/examples.html
       "description": "A String", # A brief description of this environment.
-      "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens ‘-’, and underscores ‘_’.
+      "displayName": "A String", # Output only. Display name used for UI purposes. Name can only contain alphanumeric characters, hyphens '-', and underscores '_'.
       "executionTemplate": { # The description a notebook execution workload. # Notebook Execution Template corresponding to this schedule.
         "acceleratorConfig": { # Definition of a hardware accelerator. Note that not all combinations of `type` and `core_count` are valid. Check GPUs on Compute Engine to find a valid combination. TPUs are not supported. # Configuration (count and accelerator type) for hardware running notebook execution.
           "coreCount": "A String", # Count of cores of this accelerator.