Don't update IP twice

- IP is updated in datasource#updateSession after successful login
- Remove no longer used DataSource#updateIp

src/main/java/fr/xephi/authme/datasource/CacheDataSource.java

@@ -229,15 +229,6 @@ public class CacheDataSource implements DataSource {
         return result;
     }
 
-    @Override
-    public boolean updateIp(String user, String ip) {
-        boolean result = source.updateIp(user, ip);
-        if (result) {
-            cachedAuths.refresh(user);
-        }
-        return result;
-    }
-
     @Override
     public List<PlayerAuth> getAllAuths() {
         return source.getAllAuths();

src/main/java/fr/xephi/authme/datasource/DataSource.java

@@ -186,15 +186,6 @@ public interface DataSource extends Reloadable {
      */
     boolean updateRealName(String user, String realName);
 
-    /**
-     * Update a player's IP address.
-     *
-     * @param user The name of the user (lowercase)
-     * @param ip The IP address to save
-     * @return True upon success, false upon failure
-     */
-    boolean updateIp(String user, String ip);
-
     /**
      * Return all players of the database.
      *

src/main/java/fr/xephi/authme/datasource/FlatFile.java

@@ -486,11 +486,6 @@ public class FlatFile implements DataSource {
         throw new UnsupportedOperationException("Flat file no longer supported");
     }
 
-    @Override
-    public boolean updateIp(String user, String ip) {
-        throw new UnsupportedOperationException("Flat file no longer supported");
-    }
-
     @Override
     public List<PlayerAuth> getAllAuths() {
         BufferedReader br = null;

src/main/java/fr/xephi/authme/datasource/MySQL.java

@@ -790,20 +790,6 @@ public class MySQL implements DataSource {
         return false;
     }
 
-    @Override
-    public boolean updateIp(String user, String ip) {
-        String sql = "UPDATE " + tableName + " SET " + col.IP + "=? WHERE " + col.NAME + "=?;";
-        try (Connection con = getConnection(); PreparedStatement pst = con.prepareStatement(sql)) {
-            pst.setString(1, ip);
-            pst.setString(2, user);
-            pst.executeUpdate();
-            return true;
-        } catch (SQLException ex) {
-            logSqlException(ex);
-        }
-        return false;
-    }
-
     @Override
     public List<PlayerAuth> getAllAuths() {
         List<PlayerAuth> auths = new ArrayList<>();

src/main/java/fr/xephi/authme/datasource/SQLite.java

@@ -555,20 +555,6 @@ public class SQLite implements DataSource {
         return false;
     }
 
-    @Override
-    public boolean updateIp(String user, String ip) {
-        String sql = "UPDATE " + tableName + " SET " + col.IP + "=? WHERE " + col.NAME + "=?;";
-        try (PreparedStatement pst = con.prepareStatement(sql)) {
-            pst.setString(1, ip);
-            pst.setString(2, user);
-            pst.executeUpdate();
-            return true;
-        } catch (SQLException ex) {
-            logSqlException(ex);
-        }
-        return false;
-    }
-
     @Override
     public List<PlayerAuth> getAllAuths() {
         List<PlayerAuth> auths = new ArrayList<>();