feat: deprecate ChainWorkerpool and IexecHubAbstractService#isTeeTask code for future removal (#156)

Author: jbern0rd

src/main/java/com/iexec/commons/poco/chain/ChainWorkerpool.java

@@ -19,6 +19,10 @@
 import lombok.Builder;
 import lombok.Value;
 
+/**
+ * @deprecated this was never used
+ */
+@Deprecated(forRemoval = true)
 @Value
 @Builder
 public class ChainWorkerpool {

src/main/java/com/iexec/commons/poco/chain/IexecHubAbstractService.java

@@ -526,6 +526,10 @@ Optional<TaskDescription> repeatGetTaskDescriptionFromChain(String chainTaskId,
         return taskDescription != null ? Optional.of(taskDescription) : Optional.empty();
     }
 
+    /**
+     * @deprecated single usage found in all code, directly call isTeeTask on getTaskDescription
+     */
+    @Deprecated(forRemoval = true)
     public boolean isTeeTask(String chainTaskId) {
         final TaskDescription taskDescription = getTaskDescription(chainTaskId);