delete duplicate line (#163)

Author: sjjj986

packages/@apphosting/adapter-angular/src/bin/build.spec.ts

@@ -68,7 +68,6 @@ staticAssets:
       outputDirectory: resolve("", ".apphosting"),
       needsServerGenerated: false,
       serverFilePath: resolve(".apphosting", "server", "server.mjs"),
-      needsServerGenerated: false,
     };
     const outputPaths = {
       root: new URL("file:///test"),