remove redundant exceptionally block

Author: kirill-knize-sonarsource

backend/rpc-impl/src/main/java/org/sonarsource/sonarlint/core/rpc/impl/AnalysisRpcServiceDelegate.java

@@ -19,7 +19,6 @@
  */
 package org.sonarsource.sonarlint.core.rpc.impl;
 
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CancellationException;
@@ -145,12 +144,6 @@ public CompletableFuture<AnalyzeFilesResponse> analyzeFilesAndTrack(AnalyzeFiles
     return requestFutureAsync(cancelChecker -> getBean(AnalysisService.class)
       .scheduleAnalysis(params.getConfigurationScopeId(), params.getAnalysisId(), Set.copyOf(params.getFilesToAnalyze()),
         params.getExtraProperties(), params.isShouldFetchServerIssues(), TriggerType.FORCED_WITH_EXCLUSIONS, cancelChecker)
-      .exceptionally(exception -> {
-        if (exception instanceof CompletionException || exception instanceof CancellationException) {
-          throw new ResponseErrorException(new ResponseError(ResponseErrorCode.RequestCancelled, "Analysis was cancelled", null));
-        }
-         return null;
-      })
       .thenApply(analysisResults -> {
         if (analysisResults == null) {
           throw new ResponseErrorException(new ResponseError(ResponseErrorCode.RequestCancelled, "Analysis was cancelled", null));