Upload compressed ARPA LMs

Overwrite the uncompressed ARPA LM files with the compressed versions.

3gram-pruned.arpa.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a1e697b1c3afeb6660434173f929104d7456ae62b065f9f13f309ecd408dd2f3
-size 1022207015
+oid sha256:ee3f7c8c013f5ba019f988860187ed0b94670e09cdc24b6e3e98ab25f298829d
+size 346396941

4gram-pruned.arpa.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f968a6c108d19d966afa562b08deac2f74167f393bb1bd56609ca4835ae140dc
-size 1737364471
+oid sha256:f5d83ff14540b3c2486741d3e3d8fe0305eb34ca88fb675ec243a69bc513787f
+size 563213596

4gram-unpruned.arpa.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:dd511ce814b9fc2d00dc709de8ce2e2d9d998bfb5326c1dbb203e6546acd3bc7
-size 8966175527
+oid sha256:e64b2328541f7bf7beeebffccf0d2075b1f0a8fed4b291c53550b2972838ae1b
+size 2511206942