fix(@opentelemetry/instrumentation-winston): Removing error details when @opentelemetry/winston-transport is not available (#2301)

* Removing error details in diag warning

* Lint fix

---------

Co-authored-by: Marc Pichler <[email protected]>

Author: hectorhdzg

plugins/node/opentelemetry-instrumentation-winston/src/instrumentation.ts

@@ -221,8 +221,7 @@ export class WinstonInstrumentation extends InstrumentationBase {
               args[0].transports = newTransports;
             } catch (err) {
               instrumentation._diag.warn(
-                'OpenTelemetry Winston transport is not available, log records will not be automatically sent.',
-                err
+                '@opentelemetry/winston-transport is not available, log records will not be automatically sent.'
               );
             }
           }