fixed CI error for FlowVariables.md

Signed-off-by: Cho Moon <cmoon@precisioninno.com>

Author: precisionmoon

docs/user/FlowVariables.md

@@ -606,7 +606,6 @@ configuration file.
 - [SWAP_ARITH_OPERATORS](#SWAP_ARITH_OPERATORS)
 - [SYNTH_WRAPPED_OPERATORS](#SYNTH_WRAPPED_OPERATORS)
 - [WRITE_ODB_AND_SDC_EACH_STAGE](#WRITE_ODB_AND_SDC_EACH_STAGE)
-- [ENABLE_NB_LEGALIZER](#ENABLE_NB_LEGALIZER)
 
 ## generate_abstract variables
 
@@ -630,6 +629,7 @@ configuration file.
 - [DONT_USE_CELLS](#DONT_USE_CELLS)
 - [DPO_MAX_DISPLACEMENT](#DPO_MAX_DISPLACEMENT)
 - [ENABLE_DPO](#ENABLE_DPO)
+- [ENABLE_NB_LEGALIZER](#ENABLE_NB_LEGALIZER)
 - [FASTROUTE_TCL](#FASTROUTE_TCL)
 - [FILL_CONFIG](#FILL_CONFIG)
 - [FLOW_VARIANT](#FLOW_VARIANT)