chore: upgrade aisdk-go lib, remove vestigial code (#18577)

cli/server.go

@@ -2624,77 +2624,6 @@ func redirectHTTPToHTTPSDeprecation(ctx context.Context, logger slog.Logger, inv
 	}
 }
 
-func ReadAIProvidersFromEnv(environ []string) ([]codersdk.AIProviderConfig, error) {
-	// The index numbers must be in-order.
-	sort.Strings(environ)
-
-	var providers []codersdk.AIProviderConfig
-	for _, v := range serpent.ParseEnviron(environ, "CODER_AI_PROVIDER_") {
-		tokens := strings.SplitN(v.Name, "_", 2)
-		if len(tokens) != 2 {
-			return nil, xerrors.Errorf("invalid env var: %s", v.Name)
-		}
-
-		providerNum, err := strconv.Atoi(tokens[0])
-		if err != nil {
-			return nil, xerrors.Errorf("parse number: %s", v.Name)
-		}
-
-		var provider codersdk.AIProviderConfig
-		switch {
-		case len(providers) < providerNum:
-			return nil, xerrors.Errorf(
-				"provider num %v skipped: %s",
-				len(providers),
-				v.Name,
-			)
-		case len(providers) == providerNum:
-			// At the next next provider.
-			providers = append(providers, provider)
-		case len(providers) == providerNum+1:
-			// At the current provider.
-			provider = providers[providerNum]
-		}
-
-		key := tokens[1]
-		switch key {
-		case "TYPE":
-			provider.Type = v.Value
-		case "API_KEY":
-			provider.APIKey = v.Value
-		case "BASE_URL":
-			provider.BaseURL = v.Value
-		case "MODELS":
-			provider.Models = strings.Split(v.Value, ",")
-		}
-		providers[providerNum] = provider
-	}
-	for _, envVar := range environ {
-		tokens := strings.SplitN(envVar, "=", 2)
-		if len(tokens) != 2 {
-			continue
-		}
-		switch tokens[0] {
-		case "OPENAI_API_KEY":
-			providers = append(providers, codersdk.AIProviderConfig{
-				Type:   "openai",
-				APIKey: tokens[1],
-			})
-		case "ANTHROPIC_API_KEY":
-			providers = append(providers, codersdk.AIProviderConfig{
-				Type:   "anthropic",
-				APIKey: tokens[1],
-			})
-		case "GOOGLE_API_KEY":
-			providers = append(providers, codersdk.AIProviderConfig{
-				Type:   "google",
-				APIKey: tokens[1],
-			})
-		}
-	}
-	return providers, nil
-}
-
 // ReadExternalAuthProvidersFromEnv is provided for compatibility purposes with
 // the viper CLI.
 func ReadExternalAuthProvidersFromEnv(environ []string) ([]codersdk.ExternalAuthConfig, error) {