Remove unused variables

src/libstore/local-store.cc

@@ -198,8 +198,6 @@ void checkStoreNotSymlink()
 
 LocalStore::LocalStore(bool reserveSpace)
 {
-    substitutablePathsLoaded = false;
-
     schemaPath = nixDBPath + "/schema";
 
     if (readOnlyMode) {

src/libstore/local-store.hh

@@ -80,9 +80,6 @@ struct SQLiteStmt
 class LocalStore : public StoreAPI
 {
 private:
-    bool substitutablePathsLoaded;
-    PathSet substitutablePaths;
-
     typedef std::map<Path, RunningSubstituter> RunningSubstituters;
     RunningSubstituters runningSubstituters;