auth-backend: fix sign-in provider docs

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/auth-backend/src/providers/github/provider.ts

@@ -198,13 +198,10 @@ export type GithubProviderOptions = {
   /**
    * Configure sign-in for this provider, without it the provider can not be used to sign users in.
    */
-  /**
-   * Maps an auth result to a Backstage identity for the user.
-   *
-   * Set to `'email'` to use the default email-based sign in resolver, which will search
-   * the catalog for a single user entity that has a matching `google.com/email` annotation.
-   */
   signIn?: {
+    /**
+     * Maps an auth result to a Backstage identity for the user.
+     */
     resolver?: SignInResolver<GithubOAuthResult>;
   };
 };

plugins/auth-backend/src/providers/google/provider.ts

@@ -240,13 +240,10 @@ export type GoogleProviderOptions = {
   /**
    * Configure sign-in for this provider, without it the provider can not be used to sign users in.
    */
-  /**
-   * Maps an auth result to a Backstage identity for the user.
-   *
-   * Set to `'email'` to use the default email-based sign in resolver, which will search
-   * the catalog for a single user entity that has a matching `google.com/email` annotation.
-   */
   signIn?: {
+    /**
+     * Maps an auth result to a Backstage identity for the user.
+     */
     resolver?: SignInResolver<OAuthResult>;
   };
 };

plugins/auth-backend/src/providers/microsoft/provider.ts

@@ -247,13 +247,10 @@ export type MicrosoftProviderOptions = {
   /**
    * Configure sign-in for this provider, without it the provider can not be used to sign users in.
    */
-  /**
-   * Maps an auth result to a Backstage identity for the user.
-   *
-   * Set to `'email'` to use the default email-based sign in resolver, which will search
-   * the catalog for a single user entity that has a matching `microsoft.com/email` annotation.
-   */
   signIn?: {
+    /**
+     * Maps an auth result to a Backstage identity for the user.
+     */
     resolver?: SignInResolver<OAuthResult>;
   };
 };

plugins/auth-backend/src/providers/okta/provider.ts

@@ -250,13 +250,10 @@ export type OktaProviderOptions = {
   /**
    * Configure sign-in for this provider, without it the provider can not be used to sign users in.
    */
-  /**
-   * Maps an auth result to a Backstage identity for the user.
-   *
-   * Set to `'email'` to use the default email-based sign in resolver, which will search
-   * the catalog for a single user entity that has a matching `okta.com/email` annotation.
-   */
   signIn?: {
+    /**
+     * Maps an auth result to a Backstage identity for the user.
+     */
     resolver?: SignInResolver<OAuthResult>;
   };
 };