feat(catalog-backend-module-github): remove @public tags from non-public github library functions

Signed-off-by: MT Lewis <mtlewis@users.noreply.github.com>

plugins/catalog-backend-module-github/src/lib/github.ts

@@ -1101,8 +1101,6 @@ function installConditionalRequestCache(
 
 /**
  * Checks whether a user is suspended via the REST API.
- *
- * @public
  */
 export async function isSuspended(
   username: string,
@@ -1141,8 +1139,6 @@ export async function isSuspended(
 
 /**
  * Checks whether the GitHub instance is a GitHub Enterprise server.
- *
- * @public
  */
 export async function isGitHubEnterprise(octokit: Octokit): Promise<boolean> {
   try {