Removed StakeRequestInitialized entity

subgraph/schema.graphql

@@ -17,16 +17,6 @@ interface ActivityData {
   logs: [LogData!]
 }
 
-type StakeRequestInitialized @entity {
-  id: ID!
-  depositKey: BigInt! # uint256
-  caller: Bytes! # address
-  staker: Bytes! # address
-  blockNumber: BigInt!
-  blockTimestamp: BigInt!
-  transactionHash: Bytes!
-}
-
 type Staker @entity {
   # Id is the ethereum address of the account.
   id: ID!

subgraph/src/acre-bitcoin-depositor.ts

@@ -1,16 +1,13 @@
 import { StakeRequestInitialized as StakeRequestInitializedEvent } from "../generated/AcreBitcoinDepositor/AcreBitcoinDepositor"
-import { Stake, StakeRequestInitialized } from "../generated/schema"
+import { Stake } from "../generated/schema"
 import { getOrCreateStaker, getOrCreateLog } from "./utils"
 
 // eslint-disable-next-line import/prefer-default-export
 export function handleStakeRequestInitialized(
   event: StakeRequestInitializedEvent,
 ): void {
-  const entity = new StakeRequestInitialized(
-    event.transaction.hash.toHexString(),
-  )
-  const stakeEntity = new Stake(event.transaction.hash.toHexString())
   const stakerEntity = getOrCreateStaker(event.params.staker)
+  const stakeEntity = new Stake(event.transaction.hash.toHexString())
 
   const logDataBtc = getOrCreateLog(
     `${event.transaction.hash.toHexString()}btc`,
@@ -29,16 +26,7 @@ export function handleStakeRequestInitialized(
   logDataEth.chain = "Ethereum"
   logDataEth.amount = event.params.initialAmount
 
-  entity.depositKey = event.params.depositKey
-  entity.caller = event.params.caller
-  entity.staker = event.params.staker
-
-  entity.blockNumber = event.block.number
-  entity.blockTimestamp = event.block.timestamp
-  entity.transactionHash = event.transaction.hash
-
   stakerEntity.save()
   logDataBtc.save()
   logDataEth.save()
-  entity.save()
 }