Revert "make the account creator set non-public and add a function to…

… query the set"

This reverts commit 3dff49f.

contracts/FlowServiceAccount.cdc

@@ -19,8 +19,8 @@ pub contract FlowServiceAccount {
     // A fixed-rate fee charged to create a new account
     pub var accountCreationFee: UFix64
 
-    /// The list of account addresses that have permission to create accounts
-    access(contract) var accountCreators: {Address: Bool}
+    // The list of account addresses that have permission to create accounts
+    pub var accountCreators: {Address: Bool}
 
     // Initialize an account with a FlowToken Vault and publish capabilities.
     pub fun initDefaultToken(_ acct: AuthAccount) {
@@ -95,12 +95,7 @@ pub contract FlowServiceAccount {
         return self.accountCreators[address] ?? false
     }
 
-    /// Returns all addresses permitted to create accounts
-    pub fun getAccountCreators(): [Address] {
-        return self.accountCreators.keys
-    }
-
-    /// Authorization resource to change the fields of the contract
+    // Authorization resource to change the fields of the contract
     pub resource Administrator {
 
         // sets the transaction fee

transactions/FlowServiceAccount/get_account_creators.cdc

@@ -1,5 +1,5 @@
 import FlowServiceAccount from 0xSERVICEADDRESS
 
-pub fun main(): [Address] {
-    return FlowServiceAccount.getAccountCreators()
+pub fun main(): UFix64 {
+    return FlowServiceAccount.accountCreators.keys
 }