Revert "xrAICore: Fix hash_fixed_vertex_manager::to_u32 by forward declaring"

This reverts commit 8780745.

Author: q4a

src/xrAICore/Navigation/vertex_manager_hash_fixed_inline.h

@@ -8,12 +8,6 @@
 
 #pragma once
 
-namespace hash_fixed_vertex_manager
-{
-u32 to_u32(const GraphEngineSpace::CWorldState&);
-u32 to_u32(const shared_str&);
-}
-
 #define TEMPLATE_SPECIALIZATION                                             \
     template <typename TPathId, typename TIndex, u32 HashSize, u32 FixSize> \
     template <typename TPathBuilder, typename TVertexAllocator, typename TCompoundVertex>
@@ -73,7 +67,11 @@ inline bool CHashFixedVertexManager::is_opened(const Vertex& vertex) const { ret
 TEMPLATE_SPECIALIZATION
 inline u32 CHashFixedVertexManager::hash_index(const Index& vertex_id) const
 {
+#ifdef LINUX // FIXME!!
+    return 0;
+#else
     return hash_fixed_vertex_manager::to_u32(vertex_id) % HashSize;
+#endif
 }
 
 TEMPLATE_SPECIALIZATION