Merge branch 'split-optimize-op-into-signle-blocks' of...

Merge branch 'split-optimize-op-into-signle-blocks' of ssh://github.com/jacquesqiao/Paddle into add-async-listen-and-serv-op

python/paddle/fluid/distribute_transpiler.py

@@ -25,8 +25,6 @@ LOOKUP_TABLE_TYPE = "lookup_table"
 LOOKUP_TABLE_GRAD_TYPE = "lookup_table_grad"
 RPC_CLIENT_VAR_NAME = "RPC_CLIENT_VAR"
 
-GLOBAL_BLOCK_IDX = 0
-
 
 class VarBlock:
     def __init__(self, varname, offset, size):