remove decommission count token region tags (GoogleCloudPlatform#4362)

Co-authored-by: Jennifer Davis <sigje@google.com>

Author: angelcaamal

generative-ai/snippets/count-tokens/countTokens.js

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_token_count]
 const {GoogleGenAI} = require('@google/genai');
 
 /**
@@ -51,7 +50,6 @@ async function countTokens(
   const usageMetadata = result.usageMetadata;
   console.log('Response tokens count: ', usageMetadata);
 }
-// [END generativeaionvertexai_gemini_token_count]
 
 countTokens(...process.argv.slice(2)).catch(err => {
   console.error(err.message);

generative-ai/snippets/count-tokens/countTokensAdvanced.js

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// [START generativeaionvertexai_gemini_token_count_advanced]
 const {GoogleGenAI} = require('@google/genai');
 /**
  * TODO(developer): Update these variables before running the sample.
@@ -63,7 +62,6 @@ async function countTokens(
   console.log('Candidates Token Count:', usageMetadata.candidatesTokenCount);
   console.log('Total Token Count:', usageMetadata.totalTokenCount);
 }
-// [END generativeaionvertexai_gemini_token_count_advanced]
 
 countTokens(...process.argv.slice(2)).catch(err => {
   console.error(err.message);