revert useGPT4V to false

Author: hund030

infra/main.bicep

@@ -57,7 +57,7 @@ param speechServiceResourceGroupName string = ''
 param speechServiceLocation string = ''
 param speechServiceName string = ''
 param speechServiceSkuName string // Set in main.parameters.json
-param useGPT4V bool = true
+param useGPT4V bool = false
 
 @description('Location for the OpenAI resource group')
 @allowed([

infra/main.parameters.json

@@ -171,7 +171,7 @@
       "value": "${USE_VECTORS=true}"
     },
     "useGPT4V": {
-      "value": "${USE_GPT4V=true}"
+      "value": "${USE_GPT4V=false}"
     },
     "enableLanguagePicker": {
       "value": "${ENABLE_LANGUAGE_PICKER=false}"