make double_quotes write option not dependent on double_quotes flag

This gives consistent results without depending on another flag.

src/machine/machine_state.rs

@@ -786,7 +786,6 @@ impl MachineState {
                     &mut self.atom_tbl,
                     &mut self.stack,
                     op_dir,
-                    self.flags,
                     PrinterOutputter::new(),
                     term_to_be_printed,
                 );

src/machine/mock_wam.rs

@@ -64,7 +64,6 @@ impl MockWAM {
             &mut self.machine_st.atom_tbl,
             &mut self.machine_st.stack,
             &self.op_dir,
-            self.machine_st.flags,
             PrinterOutputter::new(),
             heap_loc_as_cell!(term_write_result.heap_loc),
         );