[Security Content] Tags Reform (#2725)

* Update Tags

* Bump updated date separately to be easy to revert if needed

* Update resource_development_ml_linux_anomalous_compiler_activity.toml

* Apply changes from the discussion

* Update persistence_init_d_file_creation.toml

* Update defense_evasion_timestomp_sysmon.toml

* Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml

* Update missing Tactic tags

* Update unit tests to match new tags

* Add missing IG tags

* Delete okta_threat_detected_by_okta_threatinsight.toml

* Update command_and_control_google_drive_malicious_file_download.toml

* Update persistence_rc_script_creation.toml

* Mass bump

* Update persistence_shell_activity_by_web_server.toml

* .

---------

Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

rules/windows/initial_access_script_executing_powershell.toml

@@ -4,7 +4,7 @@ integration = ["endpoint", "windows"]
 maturity = "production"
 min_stack_comments = "New fields added: required_fields, related_integrations, setup"
 min_stack_version = "8.3.0"
-updated_date = "2023/03/06"
+updated_date = "2023/06/22"
 
 [rule]
 author = ["Elastic"]
@@ -74,7 +74,7 @@ If enabling an EQL rule on a non-elastic-agent index (such as beats) for version
 risk_score = 21
 rule_id = "f545ff26-3c94-4fd0-bd33-3c7f95a3a0fc"
 severity = "low"
-tags = ["Elastic", "Host", "Windows", "Threat Detection", "Initial Access", "Investigation Guide", "Elastic Endgame"]
+tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Initial Access", "Resources: Investigation Guide", "Data Source: Elastic Endgame"]
 timestamp_override = "event.ingested"
 type = "eql"