* arch: refactor LLM_TENSOR_NAMES * update docs * typo * fix LLM_ARCH_NEMOTRON_H_MOE * show more meaningful error message on missing tensor * fix and tested LLM_ARCH_NEMOTRON_H_MOE
* arch: refactor LLM_TENSOR_NAMES * update docs * typo * fix LLM_ARCH_NEMOTRON_H_MOE * show more meaningful error message on missing tensor * fix and tested LLM_ARCH_NEMOTRON_H_MOE