docs(iam): remove beta mentions (scaleway#4614)

Author: scaleway-bot

cmd/scw/testdata/test-all-usage-iam-user-update-password-usage.golden

@@ -1,6 +1,6 @@
 🎲🎲🎲 EXIT CODE: 0 🎲🎲🎲
 🟥🟥🟥 STDERR️️ 🟥🟥🟥️
-Update an user's password. Private Beta feature.
+Update an user's password.
 
 USAGE:
   scw iam user update-password <user-id ...> [arg=value ...]

cmd/scw/testdata/test-all-usage-iam-user-update-username-usage.golden

@@ -1,6 +1,6 @@
 🎲🎲🎲 EXIT CODE: 0 🎲🎲🎲
 🟥🟥🟥 STDERR️️ 🟥🟥🟥️
-Update an user's username. Private Beta feature.
+Update an user's username.
 
 USAGE:
   scw iam user update-username <user-id ...> [arg=value ...]

cmd/scw/testdata/test-all-usage-iam-user-usage.golden

@@ -11,8 +11,8 @@ AVAILABLE COMMANDS:
   get             Get a given user
   list            List users of an Organization
   update          Update a user
-  update-password Update an user's password. Private Beta feature.
-  update-username Update an user's username. Private Beta feature.
+  update-password Update an user's password.
+  update-username Update an user's username.
 
 FLAGS:
   -h, --help   help for user

docs/commands/iam.md

@@ -58,8 +58,8 @@ This API allows you to manage Identity and Access Management (IAM) across your S
   - [Get a given user](#get-a-given-user)
   - [List users of an Organization](#list-users-of-an-organization)
   - [Update a user](#update-a-user)
-  - [Update an user's password. Private Beta feature.](#update-an-user's-password.-private-beta-feature.)
-  - [Update an user's username. Private Beta feature.](#update-an-user's-username.-private-beta-feature.)
+  - [Update an user's password.](#update-an-user's-password.)
+  - [Update an user's username.](#update-an-user's-username.)
 
 
 ## API keys management commands
@@ -1160,9 +1160,9 @@ scw iam user update <user-id ...> [arg=value ...]
 
 
 
-### Update an user's password. Private Beta feature.
+### Update an user's password.
 
-Update an user's password. Private Beta feature.
+Update an user's password.
 
 **Usage:**
 
@@ -1180,9 +1180,9 @@ scw iam user update-password <user-id ...> [arg=value ...]
 
 
 
-### Update an user's username. Private Beta feature.
+### Update an user's username.
 
-Update an user's username. Private Beta feature.
+Update an user's username.
 
 **Usage:**
 

internal/namespaces/iam/v1alpha1/iam_cli.go

@@ -735,8 +735,8 @@ func iamUserCreate() *core.Command {
 
 func iamUserUpdateUsername() *core.Command {
 	return &core.Command{
-		Short:     `Update an user's username. Private Beta feature.`,
-		Long:      `Update an user's username. Private Beta feature.`,
+		Short:     `Update an user's username.`,
+		Long:      `Update an user's username.`,
 		Namespace: "iam",
 		Resource:  "user",
 		Verb:      "update-username",
@@ -770,8 +770,8 @@ func iamUserUpdateUsername() *core.Command {
 
 func iamUserUpdatePassword() *core.Command {
 	return &core.Command{
-		Short:     `Update an user's password. Private Beta feature.`,
-		Long:      `Update an user's password. Private Beta feature.`,
+		Short:     `Update an user's password.`,
+		Long:      `Update an user's password.`,
 		Namespace: "iam",
 		Resource:  "user",
 		Verb:      "update-password",