add removed field to eth_getLogs response

[olehnikolaiev]

in order to be fully compatible with geth we need to change the template response for eth_getLogs request.

skaled response:

> eth.getLogs({'fromBlock': '0x12e9', 'toBlock': '0x12ee'})
[{
    address: "0x19a03b2f1cc661cffb83123c37bfa009f6b9280b",
    blockHash: "0x1ac5188a70e4253c204c81d0229443a7241fe8acb5304c6f8253a0068b1de091",
    blockNumber: "0x12ed",
    data: "0x",
    logIndex: "0x0",
    polarity: true,
    topics: ["0xc4afcd8d38f903c1c3c8ab41a84f6df29cb7fb88e0d7121bc9633c15eb94af86", "0x0000000000000000000000008f07a578631dabf756fdf55df751c66a95044696", "0x00000000000000000000000000000000000000000000000000005af3107a4000", "0x0000000000000000000000000000000000000000000000000000000066e1cc85"],
    transactionHash: "0xcf632d036e972fee66c4d5ec5291a27474145b01dbe289a7fc8ab222089b063f",
    transactionIndex: "0x0",
    type: "mined"
}

geth response:

{
    address: "0x6915f36939e616ed8752e372ee217b45ed68b7ad",
    blockHash: "0xe1326f2f16a3419f0030d0171bcc3cdaaa36d65a583a075bda0f4d8de4da6917",
    blockNumber: "0x65b411",
    data: "0x00000000000000000000000000000000000000000000003635c9adc5dea00000",
    logIndex: "0x31",
    removed: false,
    topics: ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef", "0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000009dcd12b5f605e17ca7849088b2e9d8440ab9b95c"],
    transactionHash: "0xe15257b06544c34e68d28d3718b108d4910589b1bd0b4ae5a8bb1e56d68ea5e4",
    transactionIndex: "0x2b"
}