ENH: clear catalyst inputs on functionObject::end

- forces release of memory for the associated backends

- log which channels are being emitted.
  The printChannels pipeline was redundant anyhow.

src/catalyst/catalystDict

@@ -19,7 +19,6 @@ catalyst
 
     scripts
     (
-        // "<etc>/caseDicts/insitu/catalyst/printChannels.py"
         "<etc>/caseDicts/insitu/catalyst/writeAll.py"
     );
 

src/catalyst/catalystFunctionObject.C

@@ -336,7 +336,15 @@ bool Foam::functionObjects::catalystFunctionObject::execute()
 
     if (outputs.size())
     {
-        Log << type() << ": send data" << nl;
+        if (log)
+        {
+            Info<< type() << ": send data (";
+            for (const word& channelName : outputs.sortedToc())
+            {
+                Info<< ' ' << channelName;
+            }
+            Info<< " )" << nl;
+        }
 
         adaptor_().process(dataq, outputs);
     }
@@ -373,6 +381,8 @@ bool Foam::functionObjects::catalystFunctionObject::end()
     }
 
     adaptor_.clear();
+    inputs_.clear();
+
     return true;
 }