test: drop FDv2 payload filter wiring from contract harness

Author: beekld

contract-tests/server-contract-tests/src/entity_manager.cpp

@@ -28,9 +28,6 @@ config::builders::DataSystemBuilder::FDv2 BuildFDv2(
                     s.InitialReconnectDelay(std::chrono::milliseconds(
                         *sync.streaming->initialRetryDelayMs));
                 }
-                if (cfg.payloadFilter) {
-                    s.Filter(*cfg.payloadFilter);
-                }
                 fdv2.Synchronizer(std::move(s));
             } else if (sync.polling) {
                 auto p = decltype(fdv2)::Polling();
@@ -43,9 +40,6 @@ config::builders::DataSystemBuilder::FDv2 BuildFDv2(
                             std::chrono::milliseconds(
                                 *sync.polling->pollIntervalMs)));
                 }
-                if (cfg.payloadFilter) {
-                    p.Filter(*cfg.payloadFilter);
-                }
                 fdv2.Synchronizer(std::move(p));
             }
         }
@@ -58,9 +52,6 @@ config::builders::DataSystemBuilder::FDv2 BuildFDv2(
                 if (init.polling->baseUri) {
                     p.BaseUrl(*init.polling->baseUri);
                 }
-                if (cfg.payloadFilter) {
-                    p.Filter(*cfg.payloadFilter);
-                }
                 fdv2.Initializer(std::move(p));
             }
         }

contract-tests/server-contract-tests/test-suppressions-fdv2.txt

@@ -1,2 +1,8 @@
 # C++ implements TTL-based FDv1 fallback; this scenario tests the older terminal semantics. Tracked in SDK-2527.
 streaming/fdv2/FDv1 fallback directive/directive without FDv1 fallback configured halts the data system
+
+# FDv2 public payload filter API is not exposed by the C++ SDK.
+streaming/requests/URL path is computed correctly/environment_filter_key="encoding_not_necessary"/base URI has no trailing slash/GET
+streaming/requests/URL path is computed correctly/environment_filter_key="encoding_not_necessary"/base URI has a trailing slash/GET
+polling/requests/URL path is computed correctly/environment_filter_key="encoding_not_necessary"/base URI has no trailing slash/GET
+polling/requests/URL path is computed correctly/environment_filter_key="encoding_not_necessary"/base URI has a trailing slash/GET