chore(cleanup): Remove show_swap_and_deposit feature gate (#6303)

### Description

Title

### Test plan

CI

### Related issues

- Part of ACT-1443

### Backwards compatibility

Yes
### Network scalability

If a new NetworkId and/or Network are added in the future, the changes
in this PR will:

- N/A

src/earn/poolInfoScreen/BeforeDepositBottomSheet.tsx

@@ -17,8 +17,6 @@ import { navigate } from 'src/navigator/NavigationService'
 import { Screens } from 'src/navigator/Screens'
 import { EarnPosition } from 'src/positions/types'
 import { NETWORK_NAMES } from 'src/shared/conts'
-import { getFeatureGate } from 'src/statsig'
-import { StatsigFeatureGates } from 'src/statsig/types'
 import Colors from 'src/styles/colors'
 import { typeScale } from 'src/styles/fonts'
 import { Spacing } from 'src/styles/styles'
@@ -212,10 +210,7 @@ export default function BeforeDepositBottomSheet({
   const { t } = useTranslation()
 
   const { availableShortcutIds } = pool
-  const canSwapDeposit =
-    getFeatureGate(StatsigFeatureGates.SHOW_SWAP_AND_DEPOSIT) &&
-    availableShortcutIds.includes('swap-deposit') &&
-    hasTokensOnSameNetwork
+  const canSwapDeposit = availableShortcutIds.includes('swap-deposit') && hasTokensOnSameNetwork
 
   const title = canSwapDeposit
     ? t('earnFlow.beforeDepositBottomSheet.youNeedTitle', {

src/earn/poolInfoScreen/EarnPoolInfoScreen.test.tsx

@@ -83,11 +83,7 @@ describe('EarnPoolInfoScreen', () => {
     })
     jest
       .mocked(getFeatureGate)
-      .mockImplementation(
-        (gate) =>
-          gate === StatsigFeatureGates.ALLOW_CROSS_CHAIN_SWAPS ||
-          gate === StatsigFeatureGates.SHOW_SWAP_AND_DEPOSIT
-      )
+      .mockImplementation((gate) => gate === StatsigFeatureGates.ALLOW_CROSS_CHAIN_SWAPS)
     jest.useFakeTimers({
       now: new Date('2024-08-15T00:00:00.000Z'),
     })
@@ -560,15 +556,15 @@ describe('EarnPoolInfoScreen', () => {
   it('navigates correctly when swap action item is tapped', () => {
     jest
       .mocked(getFeatureGate)
-      .mockImplementation((gate) => gate === StatsigFeatureGates.ALLOW_CROSS_CHAIN_SWAPS) // Swap and deposit feature gate turned off
+      .mockImplementation((gate) => gate === StatsigFeatureGates.ALLOW_CROSS_CHAIN_SWAPS)
     const { getByText, getByTestId } = render(
       <Provider store={getStore({ includeSameChainToken: true, includeOtherChainToken: true })}>
         <MockedNavigator
           component={() => {
             return (
               <EarnPoolInfoScreen
                 {...getMockStackScreenProps(Screens.EarnPoolInfoScreen, {
-                  pool: mockEarnPositions[0],
+                  pool: { ...mockEarnPositions[0], availableShortcutIds: ['deposit', 'withdraw'] },
                 })}
               />
             )

src/statsig/types.ts

@@ -32,7 +32,6 @@ export enum StatsigFeatureGates {
   SUBSIDIZE_STABLECOIN_EARN_GAS_FEES = 'subsidize_stablecoin_earn_gas_fees',
   SHOW_CASH_IN_TOKEN_FILTERS = 'show_cash_in_token_filters',
   ALLOW_CROSS_CHAIN_SWAPS = 'allow_cross_chain_swaps',
-  SHOW_SWAP_AND_DEPOSIT = 'show_swap_and_deposit',
   SHOW_UK_COMPLIANT_VARIANT = 'show_uk_compliant_variant',
   ALLOW_EARN_PARTIAL_WITHDRAWAL = 'allow_earn_partial_withdrawal',
   SHOW_ZERION_TRANSACTION_FEED = 'show_zerion_transaction_feed',