chore(generative-ai): decommission legacy Vertex AI region tags (part 2) (#4370)

Author: angelcaamal

generative-ai/snippets/gemini-video-audio.js

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_video_with_audio]
 const {GoogleGenAI} = require('@google/genai');
 /**
  * TODO(developer): Update these variables before running the sample.
@@ -47,7 +46,6 @@ async function analyze_video_with_audio(
 
   console.log(response.text);
 }
-// [END generativeaionvertexai_gemini_video_with_audio]
 
 analyze_video_with_audio(...process.argv.slice(2)).catch(err => {
   console.error(err.message);

generative-ai/snippets/nonStreamingChat.js

@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_multiturn_chat_nonstreaming]
-// [START aiplatform_gemini_multiturn_chat_nonstreaming]
 const {GoogleGenAI} = require('@google/genai');
 /**
  * TODO(developer): Update these variables before running the sample.
@@ -47,8 +45,6 @@ async function createNonStreamingChat(
   });
   console.log('Chat response 3: ', response3.text);
 }
-// [END aiplatform_gemini_multiturn_chat_nonstreaming]
-// [END generativeaionvertexai_gemini_multiturn_chat_nonstreaming]
 
 createNonStreamingChat(...process.argv.slice(2)).catch(err => {
   console.error(err.message);

generative-ai/snippets/nonStreamingMultipartContent.js

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_get_started]
 const {VertexAI} = require('@google-cloud/vertexai');
 
 /**
@@ -63,7 +62,6 @@ async function createNonStreamingMultipartContent(
 
   console.log(fullTextResponse);
 }
-// [END generativeaionvertexai_gemini_get_started]
 
 createNonStreamingMultipartContent(...process.argv.slice(2)).catch(err => {
   console.error(err.message);

generative-ai/snippets/safetySettings.js

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_safety_settings]
 const {
   VertexAI,
   HarmCategory,
@@ -69,7 +68,6 @@ async function setSafetySettings() {
   }
   console.log('This response stream terminated due to safety concerns.');
 }
-// [END generativeaionvertexai_gemini_safety_settings]
 
 setSafetySettings().catch(err => {
   console.error(err.message);