Closes #81091. Removes zoom param from ML link in APM service maps (#81092)

Author: ogupte

x-pack/plugins/apm/public/components/shared/Links/MachineLearningLinks/MLJobLink.test.tsx

@@ -22,7 +22,7 @@ describe('MLJobLink', () => {
     );
 
     expect(href).toMatchInlineSnapshot(
-      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(myservicename-mytransactiontype-high_mean_response_time)),refreshInterval:(pause:!t,value:0),time:(from:now%2Fw,to:now-4h))&_a=(mlTimeSeriesExplorer:(),zoom:(from:now%2Fw,to:now-4h))"`
+      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(myservicename-mytransactiontype-high_mean_response_time)),refreshInterval:(pause:!t,value:0),time:(from:now%2Fw,to:now-4h))&_a=(mlTimeSeriesExplorer:())"`
     );
   });
   it('should produce the correct URL with jobId, serviceName, and transactionType', async () => {
@@ -41,7 +41,7 @@ describe('MLJobLink', () => {
     );
 
     expect(href).toMatchInlineSnapshot(
-      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(myservicename-mytransactiontype-high_mean_response_time)),refreshInterval:(pause:!t,value:0),time:(from:now%2Fw,to:now-4h))&_a=(mlTimeSeriesExplorer:(entities:(service.name:opbeans-test,transaction.type:request)),zoom:(from:now%2Fw,to:now-4h))"`
+      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(myservicename-mytransactiontype-high_mean_response_time)),refreshInterval:(pause:!t,value:0),time:(from:now%2Fw,to:now-4h))&_a=(mlTimeSeriesExplorer:(entities:(service.name:opbeans-test,transaction.type:request)))"`
     );
   });
 
@@ -61,7 +61,7 @@ describe('MLJobLink', () => {
     );
 
     expect(href).toMatchInlineSnapshot(
-      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(apm-production-485b-high_mean_transaction_duration)),refreshInterval:(pause:!t,value:10000),time:(from:'2020-07-29T17:27:29.000Z',to:'2020-07-29T18:45:00.000Z'))&_a=(mlTimeSeriesExplorer:(entities:(service.name:opbeans-java,transaction.type:request)),zoom:(from:'2020-07-29T17:27:29.000Z',to:'2020-07-29T18:45:00.000Z'))"`
+      `"/app/ml/timeseriesexplorer?_g=(ml:(jobIds:!(apm-production-485b-high_mean_transaction_duration)),refreshInterval:(pause:!t,value:10000),time:(from:'2020-07-29T17:27:29.000Z',to:'2020-07-29T18:45:00.000Z'))&_a=(mlTimeSeriesExplorer:(entities:(service.name:opbeans-java,transaction.type:request)))"`
     );
   });
 });

x-pack/plugins/apm/public/components/shared/Links/MachineLearningLinks/useTimeSeriesExplorerHref.ts

@@ -38,7 +38,6 @@ export function useTimeSeriesExplorerHref({
         refreshPaused !== undefined && refreshInterval !== undefined
           ? { pause: refreshPaused, value: refreshInterval }
           : undefined,
-      zoom: timeRange,
       ...(serviceName && transactionType
         ? {
             entities: {