move-build: Remove duplicate function

## Description

`CompiledPackage::published_dependency_ids` is a duplicate of
`CompiledPackage::get_dependency_storage_package_ids`. Get rid of it and
replace its only call-site.

## Test plan

CI

crates/sui-core/src/unit_tests/auth_unit_test_utils.rs

@@ -130,7 +130,7 @@ pub async fn upgrade_package_on_single_authority(
         gas_payment,
         package_id,
         modules,
-        package.published_dependency_ids(),
+        package.get_dependency_storage_package_ids(),
         (upgrade_cap, Owner::AddressOwner(sender)),
         UpgradePolicy::COMPATIBLE,
         digest,

crates/sui-move-build/src/lib.rs

@@ -607,10 +607,6 @@ impl CompiledPackage {
             error: error_message.join("\n"),
         })
     }
-
-    pub fn published_dependency_ids(&self) -> Vec<ObjectID> {
-        self.dependency_ids.published.values().cloned().collect()
-    }
 }
 
 impl Default for BuildConfig {