Remove accidentally published file, add redirect

Author: danieljurek

.openpublishing.redirection.json

@@ -51064,6 +51064,11 @@
         "source_path": "docs-ref-services/preview/trafficmanager.md",
         "redirect_url": "/java/api/overview/azure/traffic-manager?view=azure-java-preview",
         "redirect_document_id": true
+    },
+    {
+      "source_path": "docs-ref-services/preview/sdk-build-tool-readme.md",
+      "redirect_url": "/azure/developer/java/sdk/get-started-maven#use-the-azure-sdk-for-java-build-tool",
+      "redirect_document_id": false
     }
   ]
 }