Deprecate AgriFood FarmBeats SDK and code cleanup

eng/versioning/version_client.txt

@@ -206,7 +206,6 @@ com.azure:azure-storage-perf;1.0.0-beta.1;1.0.0-beta.1
 com.azure:azure-storage-queue;12.28.1;12.29.0-beta.1
 com.azure:azure-template-perf;1.0.0-beta.1;1.0.0-beta.1
 com.azure:azure-template-stress;1.0.0-beta.1;1.0.0-beta.1
-com.azure:azure-verticals-agrifood-farming;1.0.0-beta.3;1.0.0-beta.4
 com.azure:azure-xml;1.2.1;1.3.0-beta.1
 com.azure:perf-test-core;1.0.0-beta.1;1.0.0-beta.1
 com.azure:azure-ai-vision-imageanalysis;1.0.7;1.1.0-beta.1

sdk/agrifood/azure-resourcemanager-agrifood/README.md

@@ -1,5 +1,7 @@
 # Azure Resource Manager AgriFood client library for Java
 
+Please note, this package has been deprecated and will no longer be maintained after September 1, 2025. The underlying Azure Data Manager for Agriculture service will be retired on September 1, 2025. We recommend that you pause new development and begin transition planning as soon as possible. Refer to our [deprecation policy](https://aka.ms/azsdk/support-policies) for more details.
+
 Azure Resource Manager AgriFood client library for Java.
 
 This package contains Microsoft Azure SDK for AgriFood Management SDK. APIs documentation for Azure AgFoodPlatform Resource Provider Service. Package tag package-preview-2021-09. For documentation on how to use this package, please see [Azure Management Libraries for Java](https://aka.ms/azsdk/java/mgmt).