Nuke the base64 code. It was wrong

include/ucore/string.h

@@ -9,10 +9,6 @@ extern "C" {
 #endif
 
 
-size_t 
-uc_base64_enc(const unsigned char *data,size_t len,unsigned char *result);
-size_t 
-uc_base64_dec(const unsigned char *data, size_t len, unsigned char *result);
 
 char*
 uc_hex_encode(const uint8_t *in, size_t len, char *out);