platform: merge NM_LINK_TYPE_GENERIC into NM_LINK_TYPE_UNKNOWN

src/platform/nm-fake-platform.c

@@ -83,8 +83,6 @@ type_to_type_name (NMLinkType type)
 	switch (type) {
 	case NM_LINK_TYPE_UNKNOWN:
 		return "unknown";
-	case NM_LINK_TYPE_GENERIC:
-		return "generic";
 	case NM_LINK_TYPE_LOOPBACK:
 		return "loopback";
 	case NM_LINK_TYPE_ETHERNET:
@@ -266,7 +264,6 @@ link_set_up (NMPlatform *platform, int ifindex)
 
 	device->link.up = TRUE;
 	switch (device->link.type) {
-	case NM_LINK_TYPE_GENERIC:
 	case NM_LINK_TYPE_DUMMY:
 	case NM_LINK_TYPE_VLAN:
 		device->link.connected = TRUE;

src/platform/nm-linux-platform.c

@@ -319,7 +319,7 @@ link_extract_type (struct rtnl_link *rtnllink, const char **out_name)
 				break;
 		}
 
-		return_type (NM_LINK_TYPE_GENERIC, "generic");
+		return_type (NM_LINK_TYPE_UNKNOWN, "unknown");
 	} else if (!strcmp (type, "ipoib"))
 		return_type (NM_LINK_TYPE_INFINIBAND, "infiniband");
 	else if (!strcmp (type, "dummy"))

src/platform/nm-platform.h

@@ -50,7 +50,6 @@ typedef enum {
 typedef enum {
 	NM_LINK_TYPE_NONE,
 	NM_LINK_TYPE_UNKNOWN,
-	NM_LINK_TYPE_GENERIC,
 
 	/* Hardware types */
 	NM_LINK_TYPE_ETHERNET,