fix: remove unused code

* Update version to 2025.0.3, and remove unused code
* Upgrade chai to 5.3.1
* Streamline HTTP request method usage

src/net/http/HttpRequests.ts

@@ -31,7 +31,7 @@ export class HttpRequests {
     const abortSignal = abortController.signal;
     const requestOptions: RequestInit = {
       headers: this._baseHeaders,
-      method: HttpMethod[method], // Convert enum to string
+      method,
       signal: abortSignal,
       ...options
     };

src/pcast/Reporting.ts

@@ -104,11 +104,7 @@ export class Reporting {
     const requestPublishingOptions = {
       body: JSON.stringify({publishingReport: publishingReportOptions})
     };
-    const response = await this._httpRequests.request<PublishingReportResponse>(
-      HttpMethod.PUT,
-      '/pcast/reporting/publishing',
-      requestPublishingOptions
-    );
+    const response = await this._httpRequests.request<PublishingReportResponse>(HttpMethod.PUT, '/pcast/reporting/publishing', requestPublishingOptions);
 
     if (!response.publishingReport) {
       throw new Error('[Reporting] [requestPublishingReport] Invalid response format - missing publishingReport data');