Remove complex manual app signing about jiotty-photos-uploader

[ylexus]

Current notarisation issues are:

  "issues": [
    {
      "severity": "error",
      "code": null,
      "path": "Jiotty_Photos_Uploader-2.0.3.dmg/Jiotty Photos Uploader.app/Contents/app/conscrypt-openjdk-uber-2.5.1.jar/META-INF/native/libconscrypt_openjdk_jni-osx-x86_64.dylib",
      "message": "The binary is not signed.",
      "docUrl": null,
      "architecture": "x86_64"
    },
    {
      "severity": "error",
      "code": null,
      "path": "Jiotty_Photos_Uploader-2.0.3.dmg/Jiotty Photos Uploader.app/Contents/app/conscrypt-openjdk-uber-2.5.1.jar/META-INF/native/libconscrypt_openjdk_jni-osx-x86_64.dylib",
      "message": "The signature does not include a secure timestamp.",
      "docUrl": null,
      "architecture": "x86_64"
    },
    {
      "severity": "error",
      "code": null,
      "path": "Jiotty_Photos_Uploader-2.0.3.dmg/Jiotty Photos Uploader.app/Contents/app/grpc-netty-shaded-1.38.0.jar/META-INF/native/libio_grpc_netty_shaded_netty_tcnative_osx_x86_64.jnilib",
      "message": "The binary is not signed.",
      "docUrl": null,
      "architecture": "x86_64"
    },
    {
      "severity": "error",
      "code": null,
      "path": "Jiotty_Photos_Uploader-2.0.3.dmg/Jiotty Photos Uploader.app/Contents/app/grpc-netty-shaded-1.38.0.jar/META-INF/native/libio_grpc_netty_shaded_netty_tcnative_osx_x86_64.jnilib",
      "message": "The signature does not include a secure timestamp.",
      "docUrl": null,
      "architecture": "x86_64"
    }
  ]

So this depends on google/conscrypt#1026 and netty/netty-tcnative#570.