* Remove PyTorch 2.3 installation option for GPU
* Remove xpu_lnl option in installation guides for docs
* Update BMG quickstart
* Remove PyTorch 2.3 dependencies for GPU examples
* Update the graphmode example to use stable version 2.2.0
* Fix based on comments
* Add quickstart for install IPEX-LLM with PyTorch 2.6 on Intel GPUs
* Add jump links
* Rename
* Small fix
* Small fix
* Update based on comments
* Small fix
* Update Linux prerequisites installation guide for MTL iGPU
* Further link update
* Small fixes
* Small fix
* Update based on comments
* Small fix
* Make oneAPI installation a shared section for both MTL iGPU and other GPU
* Small fix
* Small fix
* Clarify description
* Revert to use out-of-tree GPU driver since the performance with out-of-tree driver is better than upsteam's
* add spaces
* add troubleshooting case
* update Troubleshooting