remove speed option + config description enhancements

src/main/java/fr/xephi/authme/commands/AdminCommand.java

@@ -486,7 +486,7 @@ public class AdminCommand implements CommandExecutor {
                     LimboCache.getInstance().getLimboPlayer(name).setMessageTaskId(sched.runTaskAsynchronously(plugin, new MessageTask(plugin, name, m.send("reg_msg"), interval)));
                     if (Settings.applyBlindEffect)
                         target.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, Settings.getRegistrationTimeout * 20, 2));
-                    if (!Settings.isMovementAllowed) {
+                    if (!Settings.isMovementAllowed && Settings.isRemoveSpeedEnabled) {
                         target.setWalkSpeed(0.0f);
                         target.setFlySpeed(0.0f);
                     }

src/main/java/fr/xephi/authme/commands/UnregisterCommand.java

@@ -109,7 +109,7 @@ public class UnregisterCommand implements CommandExecutor {
                         }
                         if (Settings.applyBlindEffect)
                             player.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, Settings.getRegistrationTimeout * 20, 2));
-                        if (!Settings.isMovementAllowed) {
+                        if (!Settings.isMovementAllowed && Settings.isRemoveSpeedEnabled) {
                             player.setWalkSpeed(0.0f);
                             player.setFlySpeed(0.0f);
                         }