Revert "Метод никогда не возвращает null"

This reverts commit 5448560.

Author: theshadowco

src/main/java/com/github/_1c_syntax/bsl/languageserver/context/ServerContext.java

@@ -33,7 +33,6 @@
 import com.github._1c_syntax.utils.Lazy;
 import edu.umd.cs.findbugs.annotations.Nullable;
 import lombok.Getter;
-import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
@@ -262,7 +261,6 @@ public void closeDocument(DocumentContext documentContext) {
     documentContext.clearSecondaryData();
   }
 
-  @NonNull
   public CF getConfiguration() {
     return configurationMetadata.getOrCompute();
   }