Revert category registration notification

This reverts commit 2b107b288b81f9228f16818ede2db5c3e3755557.
This reverts commit 09b3e2bc3cc4dd153cf10359d8c07ff356cc076a.
This reverts commit b367fca22b17687eb4769bd005c8bfee034639f9.
This reverts commit fc1434eef2d1868f6835745190650d0291a86c24.
This reverts commit cbe2a0d67658c20b70982f252099f4e2cbddd736.
This reverts commit 7bc9134d4c0ffa8b2b87af1e1cdd7b1e600b017c.
This reverts commit dda989b731c3de6039f14e0d36e241d990d21c96.

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>