Remove unused function StackString() and class CCoins;

src/script.h

@@ -18,7 +18,6 @@
 #include <boost/foreach.hpp>
 #include <boost/variant.hpp>
 
-class CCoins;
 class CKeyStore;
 class CTransaction;
 struct CMutableTransaction;
@@ -411,25 +410,6 @@ inline std::string ValueString(const std::vector<unsigned char>& vch)
         return HexStr(vch);
 }
 
-inline std::string StackString(const std::vector<std::vector<unsigned char> >& vStack)
-{
-    std::string str;
-    BOOST_FOREACH(const std::vector<unsigned char>& vch, vStack)
-    {
-        if (!str.empty())
-            str += " ";
-        str += ValueString(vch);
-    }
-    return str;
-}
-
-
-
-
-
-
-
-
 /** Serialized script, used inside transaction inputs and outputs */
 class CScript : public std::vector<unsigned char>
 {