alloc/raw/linear: don't align by default

alloc/raw/linear.cpp

@@ -34,7 +34,12 @@ linear::linear (util::view<std::byte*> _data):
 void*
 linear::allocate (size_t bytes)
 {
-    return allocate (bytes, alignof (std::max_align_t));
+    if (m_cursor + bytes > m_end)
+        throw std::bad_alloc ();
+
+    auto ptr = m_cursor;
+    m_cursor += bytes;
+    return ptr;
 }