settings: delete unused new captcha setting

this was moved to the site config.

Clover/app/src/main/java/org/floens/chan/core/settings/ChanSettings.java

@@ -108,7 +108,6 @@ public class ChanSettings {
 
     public static final StringSetting postDefaultName;
     public static final BooleanSetting postPinThread;
-    public static final BooleanSetting postNewCaptcha;
 
     public static final BooleanSetting developer;
 
@@ -183,7 +182,6 @@ public class ChanSettings {
 
         postDefaultName = new StringSetting(p, "preference_default_name", "");
         postPinThread = new BooleanSetting(p, "preference_pin_on_post", false);
-        postNewCaptcha = new BooleanSetting(p, "preference_new_captcha", true);
 
         developer = new BooleanSetting(p, "preference_developer", false);
 

Clover/app/src/main/java/org/floens/chan/ui/controller/BehaviourSettingsController.java

@@ -79,11 +79,6 @@ public class BehaviourSettingsController extends SettingsController {
         {
             SettingsGroup reply = new SettingsGroup(R.string.settings_group_reply);
 
-            reply.add(new BooleanSettingView(this,
-                    ChanSettings.postNewCaptcha,
-                    R.string.setting_use_new_captcha,
-                    R.string.setting_use_new_captcha_description));
-
             reply.add(new BooleanSettingView(this, ChanSettings.postPinThread,
                     R.string.setting_post_pin, 0));
 

Clover/app/src/main/res/values/strings.xml

@@ -460,8 +460,6 @@ Re-enable this permission in the app settings if you permanently disabled it."</
 
     <!-- Behaviour reply group -->
     <string name="settings_group_reply">Reply</string>
-    <string name="setting_use_new_captcha">Use the new captcha</string>
-    <string name="setting_use_new_captcha_description">Enable to use the newer recaptcha for thread replies.</string>
     <string name="setting_post_pin">Pin thread on post</string>
     <string name="setting_post_default_name">Default post name</string>