move Account to solana-sdk (#13198)

sdk/program/src/sysvar/rent.rs

@@ -2,25 +2,8 @@
 //!
 pub use crate::rent::Rent;
 
-use crate::{account::Account, sysvar::Sysvar};
+use crate::sysvar::Sysvar;
 
 crate::declare_sysvar_id!("SysvarRent111111111111111111111111111111111", Rent);
 
 impl Sysvar for Rent {}
-
-pub fn create_account(lamports: u64, rent: &Rent) -> Account {
-    rent.create_account(lamports)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_rent_create_account() {
-        let lamports = 42;
-        let account = create_account(lamports, &Rent::default());
-        let rent = Rent::from_account(&account).unwrap();
-        assert_eq!(rent, Rent::default());
-    }
-}