doc: unify datacarriersize warning with release notes

Unified the deprecation warning for the recently deprecated datacarrier[size] options to match the phrasing of release-notes-32406.md.

Author: l0rinc

src/init.cpp

@@ -904,7 +904,7 @@ bool AppInitParameterInteraction(const ArgsManager& args)
     }
 
     if (args.IsArgSet("-datacarriersize") || args.IsArgSet("-datacarrier")) {
-        InitWarning(_("Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated. They will be removed in a future version."));
+        InitWarning(_("Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated and are expected to be removed in a future version."));
     }
 
     // We no longer limit the orphanage based on number of transactions but keep the option to warn users who still have it in their config.

test/functional/mempool_datacarrier.py

@@ -103,9 +103,9 @@ def run_test(self):
         # Clean shutdown boilerplate due to deprecation
         self.expected_stderr = [
             "",  # node 0 has no deprecated options
-            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated. They will be removed in a future version.",
-            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated. They will be removed in a future version.",
-            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated. They will be removed in a future version.",
+            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated and are expected to be removed in a future version.",
+            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated and are expected to be removed in a future version.",
+            "Warning: Options '-datacarrier' or '-datacarriersize' are set but are marked as deprecated and are expected to be removed in a future version.",
         ]
 
         for i in range(self.num_nodes):