Revert "LLaMa2-7b tuned lens (#41)"

This reverts commit 9d57806100b02f343e29f86fd5863853aceaacec.

lens/meta-llama/Llama-2-7b-hf/config.json

@@ -1 +0,0 @@
-{"base_model_name_or_path": "meta-llama/Llama-2-7b-hf", "d_model": 4096, "num_hidden_layers": 32, "bias": true, "base_model_revision": null, "unembed_hash": "3313b62209f366e7b19233ae7068501553350611c20f96caf2499c0486f8836b", "lens_type": "linear_tuned_lens"}

lens/meta-llama/Llama-2-7b-hf/params.pt

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6f91beb5dce2fec4c52271d61d705bbcfb6e979d26de4f83d2a1656a371de0a7
-size 1074019491