Remove getNvidiaConfigLegacy() function

A subsequent commit will add equivalent functionality back in

Signed-off-by: Kevin Klues <kklues@nvidia.com>

pkg/container_config.go

@@ -245,78 +245,7 @@ func getRequirements(env map[string]string) []string {
 	return requirements
 }
 
-// Mimic the new CUDA images if no capabilities or devices are specified.
-func getNvidiaConfigLegacy(env map[string]string, privileged bool) *nvidiaConfig {
-	var devices string
-	if d := getDevices(env); d == nil {
-		// Environment variable unset: default to "all".
-		devices = "all"
-	} else if len(*d) == 0 || *d == "void" {
-		// Environment variable empty or "void": not a GPU container.
-		return nil
-	} else {
-		// Environment variable non-empty and not "void".
-		devices = *d
-	}
-	if devices == "none" {
-		devices = ""
-	}
-
-	var migConfigDevices string
-	if d := getMigConfigDevices(env); d != nil {
-		migConfigDevices = *d
-	}
-	if !privileged && migConfigDevices != "" {
-		log.Panicln("cannot set MIG_CONFIG_DEVICES in non privileged container")
-	}
-
-	var migMonitorDevices string
-	if d := getMigMonitorDevices(env); d != nil {
-		migMonitorDevices = *d
-	}
-	if !privileged && migMonitorDevices != "" {
-		log.Panicln("cannot set MIG_MONITOR_DEVICES in non privileged container")
-	}
-
-	var driverCapabilities string
-	if c := getDriverCapabilities(env); c == nil {
-		// Environment variable unset: default to "all".
-		driverCapabilities = allDriverCapabilities
-	} else if len(*c) == 0 {
-		// Environment variable empty: use default capability.
-		driverCapabilities = defaultDriverCapabilities
-	} else {
-		// Environment variable non-empty.
-		driverCapabilities = *c
-	}
-	if driverCapabilities == "all" {
-		driverCapabilities = allDriverCapabilities
-	}
-
-	requirements := getRequirements(env)
-
-	vmaj, vmin, _ := parseCudaVersion(env[envCUDAVersion])
-	cudaRequire := fmt.Sprintf("cuda>=%d.%d", vmaj, vmin)
-	requirements = append(requirements, cudaRequire)
-
-	// Don't fail on invalid values.
-	disableRequire, _ := strconv.ParseBool(env[envNVDisableRequire])
-
-	return &nvidiaConfig{
-		Devices:            devices,
-		MigConfigDevices:   migConfigDevices,
-		MigMonitorDevices:  migMonitorDevices,
-		DriverCapabilities: driverCapabilities,
-		Requirements:       requirements,
-		DisableRequire:     disableRequire,
-	}
-}
-
 func getNvidiaConfig(env map[string]string, privileged bool) *nvidiaConfig {
-	if isLegacyCUDAImage(env) {
-		return getNvidiaConfigLegacy(env, privileged)
-	}
-
 	var devices string
 	d := getDevices(env)
 	if d == nil || len(*d) == 0 || *d == "void" {