opt(framework): delete useless code

Signed-off-by: imalasong <[email protected]>

Author: imalasong

framework/src/main/java/org/tron/program/SolidityNode.java

@@ -152,7 +152,6 @@ private void loopProcessBlock(Block block) {
       } catch (Exception e) {
         logger.error("Failed to process block {}.", new BlockCapsule(block), e);
         sleep(exceptionSleepTime);
-        block = getBlockByNum(blockNum);
       }
     }
   }