removed unused function

luac.py

@@ -49,10 +49,6 @@ def get_bits(num, p, k):
     # convert extracted sub-string into decimal again 
     return (int(kBitSubStr,2) % 256)
 
-def get_bits_2(input, n):
-    pn = 2^(n-1)
-    return (input % (pn + pn) >= pn) and 1 or 0
-
 class LuaCompiler:
     def __init__(self):
         self.luac = "luac5.1"