Deprecate magic method.

Signed-off-by: Kanstantsin Shautsou <kanstantsin.sha@gmail.com>

Author: KostyaSha

src/main/java/org/jenkinsci/plugins/github/config/GitHubPluginConfig.java

@@ -90,8 +90,15 @@ public List<GitHubServerConfig> getConfigs() {
         return configs;
     }
 
+    /**
+     * @deprecated get GitHubServerConfig matching to exact remote GH server, filter and only then check allowToManage
+     */
+    @Deprecated
     public boolean isManageHooks() {
-        return from(getConfigs()).filter(allowedToManageHooks()).first().isPresent();
+        return from(getConfigs())
+                .filter(allowedToManageHooks())
+                .first()
+                .isPresent();
     }
 
     public void setHookUrl(URL hookUrl) {