Remove unused function

Change-Id: I6b14bdae3a5e7b79d1bc80cb04741da21f758194
diff --git a/src/yang_schema.cpp b/src/yang_schema.cpp
index c8bf540..fd1b8fe 100644
--- a/src/yang_schema.cpp
+++ b/src/yang_schema.cpp
@@ -32,27 +32,6 @@
     ~InvalidSchemaQueryException() override = default;
 };
 
-template <typename T>
-std::string pathToYangAbsSchemPath(const T& path)
-{
-    std::string res = "/";
-    std::string currentModule;
-
-    for (const auto& it : path.m_nodes) {
-        const auto name = nodeToSchemaString(it);
-
-        if (it.m_suffix.type() == typeid(module_)) {
-            currentModule = name;
-            continue;
-        } else {
-            res += currentModule + ":";
-            res += name + "/";
-        }
-    }
-
-    return res;
-}
-
 YangSchema::YangSchema()
     : m_context(std::make_shared<libyang::Context>(nullptr, LY_CTX_DISABLE_SEARCHDIRS | LY_CTX_DISABLE_SEARCHDIR_CWD))
 {