chore(billing) - remove feature flag (#20531)

- remove feature flag
- remove old enforce cap usage logic

packages/twenty-client-sdk/src/metadata/generated/schema.graphql

@@ -1487,7 +1487,6 @@ enum BillingUsageType {
 enum BillingProductKey {
   BASE_PRODUCT
   RESOURCE_CREDIT
-  WORKFLOW_NODE_EXECUTION
 }
 
 type BillingPriceLicensed {
@@ -1581,7 +1580,7 @@ type BillingEndTrialPeriod {
   billingPortalUrl: String
 }
 
-type BillingMeteredProductUsage {
+type BillingResourceCreditUsage {
   productKey: BillingProductKey!
   periodStart: DateTime!
   periodEnd: DateTime!
@@ -1756,7 +1755,6 @@ enum FeatureFlagKey {
   IS_EMAIL_GROUP_ENABLED
   IS_JUNCTION_RELATIONS_ENABLED
   IS_RECORD_PAGE_LAYOUT_GLOBAL_EDITION_ENABLED
-  IS_BILLING_V2_ENABLED
   IS_REST_METADATA_API_NEW_FORMAT_DIRECT
 }
 
@@ -2963,7 +2961,7 @@ type Query {
   enterpriseSubscriptionStatus: EnterpriseSubscriptionStatusDTO
   billingPortalSession(returnUrlPath: String): BillingSession!
   listPlans: [BillingPlan!]!
-  getMeteredProductsUsage: [BillingMeteredProductUsage!]!
+  getResourceCreditUsage: [BillingResourceCreditUsage!]!
   findWorkspaceInvitations: [WorkspaceInvitation!]!
   getApprovedAccessDomains: [ApprovedAccessDomain!]!
   getPageLayoutTabs(pageLayoutId: String!): [PageLayoutTab!]!
@@ -3203,9 +3201,9 @@ type Mutation {
   switchBillingPlan: BillingUpdate!
   cancelSwitchBillingPlan: BillingUpdate!
   cancelSwitchBillingInterval: BillingUpdate!
-  setMeteredSubscriptionPrice(priceId: String!): BillingUpdate!
+  setResourceCreditSubscriptionPrice(priceId: String!): BillingUpdate!
   endSubscriptionTrialPeriod: BillingEndTrialPeriod!
-  cancelSwitchMeteredPrice: BillingUpdate!
+  cancelSwitchResourceCreditPrice: BillingUpdate!
   deleteWorkspaceInvitation(appTokenId: String!): String!
   resendWorkspaceInvitation(appTokenId: String!): SendInvitations!
   sendInvitations(emails: [String!]!, roleId: UUID): SendInvitations!