fix(dap.hover): format non-value nodes without =

lua/ow/dap/hover/node.lua

@@ -92,6 +92,9 @@ function Node:format_c()
         )
     end
 
+    if self.item.value == "" then
+        return string.format("%s %s", self.item.type, self.item.name)
+    else
         return string.format(
             "%s %s = %s",
             self.item.type,
@@ -99,6 +102,7 @@ function Node:format_c()
             self.item.value
         )
     end
+end
 
 ---@return boolean
 function Node:is_expandable()
@@ -127,10 +131,6 @@ function Node:format_into(content)
     end
 
     content:add_with_treesitter(text, self.lang)
-
-    if self.item.value == "" then
-        content:add("...", "@comment")
-    end
 end
 
 return Node