По клику сделать неактивные поля

let inputDisable = function(value) { 
  document.getElementById('shipping_address_1').disabled = value; 
  document.getElementById('shipping_city').disabled = value; 
  document.getElementById('shipping_state').disabled = value; 
  document.getElementById('shipping_postcode').disabled = value; 
}

<input id="free-pickup-radio" type="radio" name="ship_to_different_address" onchange="inputDisable(true)" checked/> 
<label for="free-pickup-radio" class="checkbox">Самовывоз?</label> 
<input id="free-pickup-radio" type="radio" name="ship_to_different_address" onchange="inputDisable(false)" /> 
<label for="free-pickup-radio" class="checkbox">Не самомывоз</label> 
 
<div class="shipping_address" style="display: block;"> 
  <p class="form-row form-row-wide address-field form-group" id="shipping_address_1_field" data-priority=""> 
    <label for="shipping_address_1" class="hidden">Адрес</label> 
    <input type="text" class="input-text form-control" name="shipping_address_1" id="shipping_address_1" placeholder="Адрес" value="" disabled="true"> 
  </p> 
 
  <p class="form-row form-row-wide address-field form-group" id="shipping_city_field" data-priority=""> 
    <label for="shipping_city" class="hidden">Населённый пункт</label> 
    <input type="text" class="input-text form-control" name="shipping_city" id="shipping_city" placeholder="Населённый пункт" value="" disabled="true"> 
  </p> 
 
  <p class="form-row form-row-wide address-field form-group" id="shipping_state_field" data-priority=""> 
    <label for="shipping_state" class="hidden">Область/регион</label> 
    <input type="text" class="input-text form-control" value="" placeholder="Область/регион" name="shipping_state" id="shipping_state" disabled="true"> 
  </p> 
 
  <p class="form-row form-row-wide address-field form-group" id="shipping_postcode_field" data-priority=""> 
    <label for="shipping_postcode" class="hidden">Почтовый индекс</label> 
    <input type="text" class="input-text form-control" name="shipping_postcode" id="shipping_postcode" placeholder="Почтовый индекс" value="" disabled="true"> 
  </p> 
</div>

$(document).on('change', 'input[name="ship_to_different_address"]', function() { 
  if ($(this).val() == 'not') { 
    $('.shipping_address input').prop('disabled', true); 
  } else { 
    $('.shipping_address input').prop('disabled', false); 
  } 
});

label { 
  display: block; 
} 
 
#shipping_address { 
  display: block; 
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<form> 
  <label for="without_delivery" class="checkbox"> 
    <input id="without_delivery" type="radio" name="ship_to_different_address" value="not" checked="" />Самовывоз? 
  </label> 
  <label for="delivery" class="checkbox"> 
    <input id="delivery" type="radio" name="ship_to_different_address" value="yep" />Доставка 
  </label> 
 
  <div class="shipping_address"> 
    <p class="form-row form-row-wide address-field form-group" id="shipping_address_1_field" data-priority=""> 
      <label for="shipping_address_1" class="hidden">Адрес</label> 
      <input type="text" class="input-text form-control" name="shipping_address_1" id="shipping_address_1" placeholder="Адрес" value="" disabled="true"> 
    </p> 
 
    <p class="form-row form-row-wide address-field form-group" id="shipping_city_field" data-priority=""> 
      <label for="shipping_city" class="hidden">Населённый пункт</label> 
      <input type="text" class="input-text form-control" name="shipping_city" id="shipping_city" placeholder="Населённый пункт" value="" disabled="true"> 
    </p> 
 
    <p class="form-row form-row-wide address-field form-group" id="shipping_state_field" data-priority=""> 
      <label for="shipping_state" class="hidden">Область/регион</label> 
      <input type="text" class="input-text form-control" value="" placeholder="Область/регион" name="shipping_state" id="shipping_state" disabled="true"> 
    </p> 
 
    <p class="form-row form-row-wide address-field form-group" id="shipping_postcode_field" data-priority=""> 
      <label for="shipping_postcode" class="hidden">Почтовый индекс</label> 
      <input type="text" class="input-text form-control" name="shipping_postcode" id="shipping_postcode" placeholder="Почтовый индекс" value="" disabled="true"> 
    </p> 
  </div> 
</form>