Replace tabs with two spaces for consistency with rest of codebase

Remove trailing whitespace in same files.

src/cryptonote_core/miner.cpp

@@ -357,7 +357,6 @@ namespace cryptonote
 
       if(local_template_ver != m_template_no)
       {
-        
         CRITICAL_REGION_BEGIN(m_template_lock);
         b = m_template;
         local_diff = m_diffic;

src/cryptonote_protocol/cryptonote_protocol_handler.inl

@@ -592,7 +592,6 @@ namespace cryptonote
           epee::net_utils::data_logger::get_instance().add_data("calc_time", block_process_time + transactions_process_time);
           epee::net_utils::data_logger::get_instance().add_data("block_processing", 1);
 
-								
         } // each download block
         m_core.cleanup_handle_incoming_blocks();