Delete extra gas field (#609)

Author: sketsdever

docs/specs/mev-share/_streamEvent.mdx

@@ -35,7 +35,6 @@
 | `txs.to` | Hex-string | Transaction recipient address. |
 | `txs.from` | Hex-string | Transaction sender address. |
 | `txs.value` | Hex-string | Value transferred in the transaction. |
-| `txs.gasLimit` | Hex-string | Gas limit of the transaction. |
 | `txs.maxFeePerGas` | Hex-string | Maximum fee per gas of the transaction. GasFeeCap |
 | `txs.maxPriorityFeePerGas` | Hex-string | Maximum priority fee per gas of the transaction. GasTipCap |
 | `txs.nonce` | Hex-string | Nonce of the transaction. |