Step : 1 
Path : catalog/view/theme/default/template/account/register.tpl
Step : 2
Remove Lines: 249-263 
OR 
Find below lines and remove them.
ADDESS - 1 :
<div class="form-group required">
            <label class="col-sm-2 control-label" for="input-address-1"><?php echo $entry_address_1; ?></label>
            <div class="col-sm-10">
              <input type="text" name="address_1" value="<?php echo $address_1; ?>" placeholder="<?php echo $entry_address_1; ?>" id="input-address-1" class="form-control" />
              <?php if ($error_address_1) { ?>
              <div class="text-danger"><?php echo $error_address_1; ?></div>
              <?php } ?>
            </div>
          </div>
ADDESS - 2 :
<div class="form-group">
    <label class="col-sm-2 control-label" for="input-address-2"><?php echo $entry_address_2; ?></label>
    <div class="col-sm-10">
        <input type="text" name="address_2" value="<?php echo $address_2; ?>" placeholder="<?php echo $entry_address_2; ?>" id="input-address-2" class="form-control" />
    </div>
</div>