Remove unused methods.

hikaricp-java6/src/main/java/com/zaxxer/hikari/proxy/ConnectionProxy.java

@@ -115,13 +115,6 @@ public abstract class ConnectionProxy implements IHikariConnectionProxy
       return sqle;
    }
 
-   /** {@inheritDoc} */
-   @Override
-   public final boolean isBrokenConnection()
-   {
-      return forceClose;
-   }
-
    /** {@inheritDoc} */
    @Override
    public final void untrackStatement(Statement statement)

hikaricp-java6/src/main/java/com/zaxxer/hikari/proxy/IHikariConnectionProxy.java

@@ -46,14 +46,6 @@ public interface IHikariConnectionProxy extends Connection
     */
    SQLException checkException(SQLException sqle);
 
-   /**
-    * Return the broken state of the connection.  If checkException() detected
-    * a broken connection, this method will return true, otherwise false.
-    *
-    * @return the broken state of the connection
-    */
-   boolean isBrokenConnection();
-
    /**
     * Called by Statement and its subclasses when they are closed to remove them
     * from the tracking list.

hikaricp/src/main/java/com/zaxxer/hikari/proxy/ConnectionProxy.java

@@ -115,13 +115,6 @@ public abstract class ConnectionProxy implements IHikariConnectionProxy
       return sqle;
    }
 
-   /** {@inheritDoc} */
-   @Override
-   public final boolean isBrokenConnection()
-   {
-      return forceClose;
-   }
-
    /** {@inheritDoc} */
    @Override
    public final void untrackStatement(Statement statement)

hikaricp/src/main/java/com/zaxxer/hikari/proxy/IHikariConnectionProxy.java

@@ -46,14 +46,6 @@ public interface IHikariConnectionProxy extends Connection
     */
    SQLException checkException(SQLException sqle);
 
-   /**
-    * Return the broken state of the connection.  If checkException() detected
-    * a broken connection, this method will return true, otherwise false.
-    *
-    * @return the broken state of the connection
-    */
-   boolean isBrokenConnection();
-
    /**
     * Called by Statement and its subclasses when they are closed to remove them
     * from the tracking list.

hikaricp/src/main/java/com/zaxxer/hikari/proxy/PreparedStatementProxy.java

@@ -17,8 +17,6 @@
 package com.zaxxer.hikari.proxy;
 
 import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
 
 /**
  * This is the proxy class for java.sql.PreparedStatement.