HPUX: Remove all // X aCC comments

These were added to suppress warnings from the HPUX compiler.

src/std/softIoc/softMain.cpp

@@ -129,7 +129,7 @@ int main(int argc, char *argv[])
     }
     
     softIoc_registerRecordDeviceDriver(pdbbase);
-    registryFunctionAdd("exit", (REGISTRYFUNCTION) exitSubroutine); // X aCC 331
+    registryFunctionAdd("exit", (REGISTRYFUNCTION) exitSubroutine);
 
     while (argc>1 && **argv == '-') {
 	switch ((*argv)[1]) {