Remove code for rewriting st models (#60199)

Author: rafax

cmd/cody-gateway/internal/httpapi/completions/fireworks.go

@@ -118,22 +118,6 @@ func (f *FireworksHandlerMethods) transformBody(body *fireworksRequest, _ string
 		body.N = 1
 	}
 
-	// This code rewrites an older model identifier that we've used when testing a single-tenant
-	// deployment and that is no longer live. Since the clients used to hard code these, some
-	// outdated clients might still be sending these requests and we want to make sure they are
-	// compatible with the new virtual model strings.
-	if f.config.DisableSingleTenant {
-		oldModel := body.Model
-		if body.Model == "accounts/sourcegraph/models/starcoder-16b" {
-			body.Model = "starcoder-16b"
-		} else if body.Model == "accounts/sourcegraph/models/starcoder-7b" {
-			body.Model = "starcoder-7b"
-		}
-		if oldModel != body.Model {
-			f.baseLogger.Debug("rewriting model", log.String("old-model", oldModel), log.String("new-model", body.Model))
-		}
-	}
-
 	// Enterprise virtual model string
 	if body.Model == "starcoder" {
 		body.Model = pickModelBasedOnTrafficSplit(f.config.StarcoderEnterpriseSingleTenantPercent, fireworks.Starcoder16bSingleTenant, fireworks.Starcoder16b)

cmd/cody-gateway/shared/config/config.go

@@ -77,7 +77,6 @@ type FireworksConfig struct {
 	AllowedModels                          []string
 	AccessToken                            string
 	LogSelfServeCodeCompletionRequests     bool
-	DisableSingleTenant                    bool
 	StarcoderCommunitySingleTenantPercent  int
 	StarcoderEnterpriseSingleTenantPercent int
 }
@@ -163,7 +162,6 @@ func (c *Config) Load() {
 		}, ","),
 		"Fireworks models that can be used."))
 	c.Fireworks.LogSelfServeCodeCompletionRequests = c.GetBool("CODY_GATEWAY_FIREWORKS_LOG_SELF_SERVE_COMPLETION_REQUESTS", "false", "Whether we should log self-serve code completion requests.")
-	c.Fireworks.DisableSingleTenant = c.GetBool("CODY_GATEWAY_FIREWORKS_DISABLE_SINGLE_TENANT", "false", "Whether we should disable single tenant models for Fireworks.")
 	if c.Fireworks.AccessToken != "" && len(c.Fireworks.AllowedModels) == 0 {
 		c.AddError(errors.New("must provide allowed models for Fireworks"))
 	}