Revert #1138 (#1213)

crates/goose/tests/truncate_agent.rs

@@ -6,7 +6,6 @@ use goose::agents::AgentFactory;
 use goose::message::Message;
 use goose::model::ModelConfig;
 use goose::providers::base::Provider;
-use goose::providers::vertexai::VertexAIProvider;
 use goose::providers::{anthropic::AnthropicProvider, databricks::DatabricksProvider};
 use goose::providers::{
     azure::AzureProvider, bedrock::BedrockProvider, ollama::OllamaProvider, openai::OpenAiProvider,
@@ -25,7 +24,6 @@ enum ProviderType {
     Groq,
     Ollama,
     OpenRouter,
-    VertexAI,
 }
 
 impl ProviderType {
@@ -44,7 +42,6 @@ impl ProviderType {
             ProviderType::Groq => &["GROQ_API_KEY"],
             ProviderType::Ollama => &[],
             ProviderType::OpenRouter => &["OPENROUTER_API_KEY"],
-            ProviderType::VertexAI => &["VERTEXAI_PROJECT_ID", "VERTEXAI_REGION"],
         }
     }
 
@@ -77,7 +74,6 @@ impl ProviderType {
             ProviderType::Groq => Box::new(GroqProvider::from_env(model_config)?),
             ProviderType::Ollama => Box::new(OllamaProvider::from_env(model_config)?),
             ProviderType::OpenRouter => Box::new(OpenRouterProvider::from_env(model_config)?),
-            ProviderType::VertexAI => Box::new(VertexAIProvider::from_env(model_config)?),
         })
     }
 }
@@ -294,14 +290,4 @@ mod tests {
         })
         .await
     }
-
-    #[tokio::test]
-    async fn test_truncate_agent_with_vertexai() -> Result<()> {
-        run_test_with_config(TestConfig {
-            provider_type: ProviderType::VertexAI,
-            model: "claude-3-5-sonnet-v2@20241022",
-            context_window: 200_000,
-        })
-        .await
-    }
 }