lsp/otter: fix assertion (#696)

* otter: change assert into a warning

* otter: update source and warning

modules/plugins/lsp/otter/config.nix

@@ -15,13 +15,12 @@
   mappings = addDescriptionsToMappings cfg.otter-nvim.mappings mappingDefinitions;
 in {
   config = mkIf (cfg.enable && cfg.otter-nvim.enable) {
-    assertions = [
-      {
-        assertion = !config.vim.utility.ccc.enable;
-        message = ''
-          ccc and otter have a breaking conflict. It's been reported upstream. Until it's fixed, disable one of them
-        '';
-      }
+    warnings = [
+      # TODO: remove warning when we update to nvim 0.11
+      (mkIf config.vim.utility.ccc.enable ''
+        ccc and otter occasionally have small conflicts that will disappear with nvim 0.11.
+        In the meantime, otter handles it by throwing a warning, but both plugins will work.
+      '')
     ];
     vim = {
       startPlugins = ["otter-nvim"];