http-client-java, remove unused namer module (microsoft#4328)

History: we originally intend to use m4 prenamer (opt-in via
flag/option) to keep names in SDK same as from Swagger (mostly for
brownfield).

But later we decided to just use `@clientName` in client.tsp to
explicitly do the naming, if backward-compatibility is an issue.

This flag/option is not used by any service.

cspell.yaml

@@ -27,7 +27,6 @@ words:
   - cobertura
   - codehaus
   - codeql
-  - collisons
   - Contoso
   - CORGE
   - createsorreplacesresource

packages/http-client-java/emitter/src/code-model-builder.ts

@@ -143,7 +143,6 @@ import {
   operationIsMultipart,
   operationIsMultipleContentTypes,
 } from "./operation-utils.js";
-import { PreNamer } from "./prenamer/prenamer.js";
 import {
   ProcessingCache,
   getAccess,
@@ -265,10 +264,6 @@ export class CodeModelBuilder {
 
     this.processSchemaUsage();
 
-    if (this.options.namer) {
-      this.codeModel = new PreNamer(this.codeModel).init().process();
-    }
-
     this.deduplicateSchemaName();
 
     return this.codeModel;

packages/http-client-java/emitter/src/emitter.ts

@@ -25,8 +25,6 @@ export interface EmitterOptions {
 
   "skip-special-headers"?: string[];
 
-  namer?: boolean;
-
   "generate-samples"?: boolean;
   "generate-tests"?: boolean;
 
@@ -73,9 +71,6 @@ const EmitterOptionsSchema: JSONSchemaType<EmitterOptions> = {
     // header
     "skip-special-headers": { type: "array", items: { type: "string" }, nullable: true },
 
-    // namer
-    namer: { type: "boolean", nullable: true, default: false },
-
     // sample and test
     "generate-samples": { type: "boolean", nullable: true, default: true },
     "generate-tests": { type: "boolean", nullable: true, default: true },