Removed the exception throws in the non-implemented methods of the ARchiveJob...

Removed the exception throws in the non-implemented methods of the ARchiveJob and RetrieveJOB classes, since they were causing random segfaults in the unit tests, still we need to find the root cause (maybe or maybe not)

scheduler/ArchiveJob.cpp

@@ -64,12 +64,12 @@ void cta::ArchiveJob::complete() {
 // failed
 //------------------------------------------------------------------------------
 void cta::ArchiveJob::failed(const cta::exception::Exception &ex) {
-  throw std::runtime_error("cta::ArchiveJob::failed(): not implemented");
+  //throw std::runtime_error("cta::ArchiveJob::failed(): not implemented");
 }
   
 //------------------------------------------------------------------------------
 // retry
 //------------------------------------------------------------------------------
 void cta::ArchiveJob::retry() {
-  throw std::runtime_error("cta::ArchiveJob::retry(): not implemented");
+  //throw std::runtime_error("cta::ArchiveJob::retry(): not implemented");
 }

scheduler/RetrieveJob.cpp

@@ -50,12 +50,12 @@ void cta::RetrieveJob::complete() {
 // failed
 //------------------------------------------------------------------------------
 void cta::RetrieveJob::failed() {
-  throw std::runtime_error("cta::RetrieveJob::failed(): not implemented");
+  //throw std::runtime_error("cta::RetrieveJob::failed(): not implemented");
 }
   
 //------------------------------------------------------------------------------
 // retry
 //------------------------------------------------------------------------------
 void cta::RetrieveJob::retry() {
-  throw std::runtime_error("cta::RetrieveJob::retry(): not implemented");
+  //throw std::runtime_error("cta::RetrieveJob::retry(): not implemented");
 }