Remove Lycoris back compact (#41)

Forge use totally different mechanism to handle lora/lycoris models
I think it is good to remove the back compact things so "lyco" alias can be used by legacy lycoris extensions. (some other extension may rely on it)

extensions-builtin/Lora/networks.py

@@ -134,7 +134,6 @@ def list_available_networks():
     os.makedirs(shared.cmd_opts.lora_dir, exist_ok=True)
 
     candidates = list(shared.walk_files(shared.cmd_opts.lora_dir, allowed_extensions=[".pt", ".ckpt", ".safetensors"]))
-    candidates += list(shared.walk_files(shared.cmd_opts.lyco_dir_backcompat, allowed_extensions=[".pt", ".ckpt", ".safetensors"]))
     for filename in candidates:
         if os.path.isdir(filename):
             continue

extensions-builtin/Lora/preload.py

@@ -4,4 +4,3 @@ from modules import paths
 
 def preload(parser):
     parser.add_argument("--lora-dir", type=str, help="Path to directory with Lora networks.", default=os.path.join(paths.models_path, 'Lora'))
-    parser.add_argument("--lyco-dir-backcompat", type=str, help="Path to directory with LyCORIS networks (for backawards compatibility; can also use --lyco-dir).", default=os.path.join(paths.models_path, 'LyCORIS'))

extensions-builtin/Lora/scripts/lora_script.py

@@ -21,7 +21,6 @@ def before_ui():
 
     networks.extra_network_lora = extra_networks_lora.ExtraNetworkLora()
     extra_networks.register_extra_network(networks.extra_network_lora)
-    extra_networks.register_extra_network_alias(networks.extra_network_lora, "lyco")
 
 
 networks.originals = lora_patches.LoraPatches()

extensions-builtin/Lora/ui_extra_networks_lora.py

@@ -84,7 +84,7 @@ class ExtraNetworksPageLora(ui_extra_networks.ExtraNetworksPage):
                 yield item
 
     def allowed_directories_for_previews(self):
-        return [shared.cmd_opts.lora_dir, shared.cmd_opts.lyco_dir_backcompat]
+        return [shared.cmd_opts.lora_dir]
 
     def create_user_metadata_editor(self, ui, tabname):
         return LoraUserMetadataEditor(ui, tabname, self)