fix args

Author: motatoes

docs/ce/reference/comment-args.mdx

@@ -9,10 +9,8 @@ Digger comments such as `digger plan` and `digger apply` accept the following fl
     	directory (short form)
   -directory value
     	directory (long form)
-  -p value
   -p value
     	project (short form)
-  -project value
   -project value
     	project (long form)
   -layer value (only for layering)