SONARPY-1889 code cleanup

Author: maksim-grebeniuk-sonarsource

python-frontend/src/main/java/org/sonar/python/types/TypeShed.java

@@ -28,7 +28,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 import javax.annotation.CheckForNull;
@@ -133,13 +132,6 @@ public static Map<String, Symbol> symbolsForModule(String moduleName) {
     return TypeShed.typeShedSymbols.get(moduleName);
   }
 
-  public static Map<String, Symbol> symbolsForModuleWithoutStoreInCache(String moduleName) {
-    return Optional.of(moduleName)
-      .filter(TypeShed.typeShedSymbols::containsKey)
-      .map(TypeShed.typeShedSymbols::get)
-      .orElseGet(() -> searchTypeShedForModule(moduleName));
-  }
-
   @CheckForNull
   public static Symbol symbolWithFQN(String stdLibModuleName, String fullyQualifiedName) {
     Map<String, Symbol> symbols = symbolsForModule(stdLibModuleName);