Replace pubmatic with generic bidder name

Author: muuki88

dev-docs/publisher-api-reference/bidderSettings.md

@@ -361,14 +361,13 @@ This setting can be enabled either:
 
 The default value is `false`, meaning requests are not compressed unless explicitly configured by the publisher.
 
-**Example enabling endpoint compression for a specific bidder (PubMatic):**
+**Example enabling endpoint compression for a specific bidder:**
 
 ```javascript
 pbjs.bidderSettings = {
-  pubmatic: {
+  bidderA: {
     endpointCompression: true
   }
 };
-```
 
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