remove unneccessary config override

Author: Jan Xie

test/test_helper.rb

@@ -158,14 +158,6 @@ def get_config_overrides(filename)
     override[:homestead_fork_blknum] = 0
     override[:anti_dos_fork_blknum] = 0
     override[:dao_fork_blknum] = 2**100
-  elsif filename =~ /StateTests_EIP158/
-    override[:anti_dos_fork_blknum] = 0
-    override[:spurious_dragon_fork_blknum] = 0
-    override[:homestead_fork_blknum] = 10000
-    override[:dao_fork_blknum] = 2**100
-    if filename =~ /StateTests_EIP158_Homestead/
-      override[:homestead_fork_blknum] = 0
-    end
   end
 
   if filename =~ /bcTheDaoTest/