remove DoubleArgumentParser

common/api/src/main/java/com/dfsek/terra/api/command/arg/DoubleArgumentParser.java

@@ -1,11 +0,0 @@
-package com.dfsek.terra.api.command.arg;
-
-import com.dfsek.terra.api.entity.CommandSender;
-
-
-public class DoubleArgumentParser implements ArgumentParser<Double> {
-    @Override
-    public Double parse(CommandSender sender, String arg) {
-        return arg == null ? null : Double.parseDouble(arg);
-    }
-}