Fix bloated checkpoint file

Reference: https://github.com/huggingface/transformers/issues/22822

pytorch_model-00001-of-00002.bin

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:82d67a77ce1b7f68d40c5a97de78feaa151e094be4938290d26e6ccc1e46ec1c
-size 18542818872
+oid sha256:1d3f6332f02f8d53c6a3ff6ae4c1f55fb3232ee7e80c077e6fc03644d63b346e
+size 9976277858

pytorch_model-00002-of-00002.bin

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4d331cabaef2b2e58e833cf587ad12d4a1bb8085de7b27c08764ce1a21144ce8
-size 11561532465
+oid sha256:cc4024bc760da3b47501944b92d998c1ef9b655d9fb8b268035f497169d68d19
+size 6284234526