remove a never used variable.

Cc: Yonghong Zhu <yonghong....@intel.com>
Cc: Liming Gao <liming....@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.car...@intel.com>
---
 BaseTools/Source/Python/Common/RangeExpression.py | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/BaseTools/Source/Python/Common/RangeExpression.py 
b/BaseTools/Source/Python/Common/RangeExpression.py
index b6c929fd885b..3449711dcc08 100644
--- a/BaseTools/Source/Python/Common/RangeExpression.py
+++ b/BaseTools/Source/Python/Common/RangeExpression.py
@@ -1,7 +1,7 @@
 # # @file
 # This file is used to parse and evaluate range expression in Pcd declaration.
 #
-# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
 # This program and the accompanying materials
 # are licensed and made available under the terms and conditions of the BSD 
License
 # which accompanies this distribution.    The full text of the license may be 
found at
@@ -214,13 +214,6 @@ class RangeExpression(object):
     RegGuidPattern = 
re.compile(r'[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}')
     ExRegGuidPattern = 
re.compile(r'[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$')
     
-    SymbolPattern = re.compile("("
-                                 
"\$\([A-Z][A-Z0-9_]*\)|\$\(\w+\.\w+\)|\w+\.\w+|"
-                                 "&&|\|\||!(?!=)|"
-                                 
"(?<=\W)AND(?=\W)|(?<=\W)OR(?=\W)|(?<=\W)NOT(?=\W)|(?<=\W)XOR(?=\W)|"
-                                 
"(?<=\W)EQ(?=\W)|(?<=\W)NE(?=\W)|(?<=\W)GT(?=\W)|(?<=\W)LT(?=\W)|(?<=\W)GE(?=\W)|(?<=\W)LE(?=\W)"
-                               ")")
-    
     RangePattern = re.compile(r'[0-9]+ - [0-9]+')
 
     def preProcessRangeExpr(self, expr):
-- 
2.16.2.windows.1

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