Remove unused function: cwd()

include/mbgl/util/uv.hpp

@@ -12,8 +12,6 @@ typedef struct uv_fs_s uv_fs_t;
 
 namespace uv {
 
-std::string cwd();
-
 class rwlock;
 class loop;
 class async;

src/mbgl/util/uv.cpp

@@ -48,25 +48,6 @@ void uv_key_set(uv_key_t* key, void* value) {
 
 namespace uv {
 
-std::string cwd() {
-#if UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR <= 10
-    char dir[512];
-    uv_cwd(dir, 512);
-    return dir;
-#else
-    size_t max = 0;
-    std::string dir;
-    do {
-        max += 256;
-        dir.resize(max);
-        uv_cwd(const_cast<char *>(dir.data()), &max);
-    } while (max == dir.size());
-    dir.resize(max - 1);
-    return dir;
-#endif
-}
-
-
 lock::lock(mutex &mtx_) : mtx(&mtx_) {
     if (mtx) { mtx->lock(); }
 }