Updating metric documentation to use the correct Location dimension name.

Author: nimakamoosi

articles/api-management/azure-openai-emit-token-metric-policy.md

@@ -66,7 +66,7 @@ The `azure-openai-emit-token-metric` policy sends metrics to Application Insight
 * Product ID
 * User ID
 * Subscription ID
-* Location ID
+* Location
 * Gateway ID
 
 ## Usage

articles/api-management/emit-metric-policy.md

@@ -60,7 +60,7 @@ The `emit-metric` policy sends custom metrics in the specified format to Applica
 * Product ID
 * User ID
 * Subscription ID
-* Location ID
+* Location
 * Gateway ID
 
 ## Usage