lint: remove or comment out unused functions

Cppcheck has identified a lot of unused functions. This removes funcs that
are unlikely to ever be used. Others that might be useful for debugging I've
commented out with "#if 0".

1 files changed, 0 insertions, 5 deletions

diff --git a/src/common.cpp b/src/common.cpp
index a796baca..84c3de65 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -689,11 +689,6 @@ void debug(int level, const char *msg, ...)
     errno = errno_old;
 }
 
-void print_stderr(const wcstring &str)
-{
-    fprintf(stderr, "%ls\n", str.c_str());
-}
-
 void read_ignore(int fd, void *buff, size_t count)
 {
     size_t ignore __attribute__((unused));