Rename and document viableArgParamSpecific to make clear it is a temporary hook.

python/ql/lib/semmle/python/dataflow/new/internal/DataFlowDispatch.qll

@@ -1618,7 +1618,9 @@ OutNode getAnOutNode(DataFlowCall call, ReturnKind kind) { call = result.getCall
 /**
  * Holds if flow from `call`'s argument `arg` to parameter `p` is permissible.
  *
- * This is a filter on top of the language-neutral argument/parameter matching implemented by `viableParamArg`.
+ * This is a temporary hook to support technical debt in the Go language; do not use.
  */
 pragma[inline]
-predicate viableParamArgSpecific(DataFlowCall call, ParameterNode p, ArgumentNode arg) { any() }
+predicate golangSpecificParamArgFilter(DataFlowCall call, ParameterNode p, ArgumentNode arg) {
+  any()
+}

python/ql/lib/semmle/python/dataflow/new/internal/DataFlowImplCommon.qll

@@ -426,7 +426,7 @@ private module Cached {
       viableParam(call, ppos, p) and
       argumentPositionMatch(call, arg, ppos) and
       compatibleTypes(getNodeDataFlowType(arg), getNodeDataFlowType(p)) and
-      viableParamArgSpecific(call, p, arg)
+      golangSpecificParamArgFilter(call, p, arg)
     )
   }