feat(generative-ai): clear unused samples and update gemini model name (#4067)

* feat(generative-ai): clear unused samples and update samples model name to 2.0

* fix: restore package.json

* fix: Update Google Search example

* Fix test case for grounding

* Delete unused tests

* fix: replace GPU type

* fix: restore ai-platform/snippets/delete-dataset.js

* fix: restore cancel-custom-job.js

* fix: restore 5 files

* fix: restore more deleted files

* fix: delete unused tests and restore some more files

* fix: restore some more files

* fix: Set location to us-central1 instead of using default global

* fix: set location to us-central1

* Removed unused tests

* Increase timeout for batch prediciton

* Skip text sentiment analysis tests

* Removed customer job tests as the image no longer exists

* Removed un-supported tests

* Skip unstable deploying model test

---------

Co-authored-by: David Cavazos <[email protected]>
Co-authored-by: Eric Dong <[email protected]>

Author: 3 people

ai-platform/snippets/batch-code-predict.js

@@ -36,7 +36,7 @@ async function main(projectId, outputUri) {
     'bq://storage-samples.generative_ai.batch_requests_for_multimodal_input';
   const location = 'us-central1';
   const parent = `projects/${projectId}/locations/${location}`;
-  const modelName = `${parent}/publishers/google/models/gemini-1.5-flash-002`;
+  const modelName = `${parent}/publishers/google/models/gemini-2.0-flash-001`;
 
   // Specify the location of the api endpoint.
   const clientOptions = {

ai-platform/snippets/batch-prediction/batch-predict-bq.js

@@ -39,7 +39,7 @@ async function main(projectId, outputUri) {
     'gs://cloud-samples-data/generative-ai/batch/batch_requests_for_multimodal_input.jsonl';
   const location = 'us-central1';
   const parent = `projects/${projectId}/locations/${location}`;
-  const modelName = `${parent}/publishers/google/models/gemini-1.5-flash-002`;
+  const modelName = `${parent}/publishers/google/models/gemini-2.0-flash-001`;
 
   // Specify the location of the api endpoint.
   const clientOptions = {