[Schema Registry] Remove caching

sdk/schemaregistry/schema-registry/CHANGELOG.md

@@ -17,6 +17,8 @@
 
 ### Other Changes
 
+- remove caching from the client. The customer can rely on the one in the serializer package such as `@azure/schema-registry-avro` or write their own that makes most sense in their application.
+
 ## 1.0.0-beta.2 (2021-08-17)
 
 ### Features Added

sdk/schemaregistry/schema-registry/README.md

@@ -73,9 +73,6 @@ schema registry.
 
 ### Register a schema
 
-`registerSchema` sends a request to the service to register a schema, and then keeps
-a copy of the schema and its service ID in a local private cache.
-
 ```javascript
 const { DefaultAzureCredential } = require("@azure/identity");
 const { SchemaRegistryClient } = require("@azure/schema-registry");
@@ -95,8 +92,6 @@ console.log(registered.id);
 
 ### Get ID of existing schema
 
-`getSchemaId` will send a request to the service only if the local cache did not have the schema.
-
 ```javascript
 const { DefaultAzureCredential } = require("@azure/identity");
 const { SchemaRegistryClient } = require("@azure/schema-registry");
@@ -118,8 +113,6 @@ if (found) {
 
 ### Get content of existing schema by ID
 
-Similarly to `getSchemaId`, `getSchema` will send a request to the service only if the local cache did not have the schema ID.
-
 ```javascript
 const { DefaultAzureCredential } = require("@azure/identity");
 const { SchemaRegistryClient } = require("@azure/schema-registry");