update pre-trained models to not have terminate

dflex/pretrained/PWM_AntEnv.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8fe911c41fbb5f5c0b5691ccdbc725ca1a965c2cd472bb8281e4a693b1ffc0ce
-size 28755009
+oid sha256:f8a27d9e0f7d537387e224d5120786400e42720b3f63ab86bfe451ded20aa0ad
+size 22357759

dflex/pretrained/PWM_AnymalEnv.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c654dbcd826003582bd2091c55c961c8f05cf66ca82ddce6b4e81310c66b4430
-size 28867201
+oid sha256:f0dccc8850eee77d8fd5fc75cd4eb68b7f932111770ee01d13758d55f8f13123
+size 22445375

dflex/pretrained/PWM_HopperEnv.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5bb8cc5a40fc6c28dc79eb4b97919d0af6d856f0c9773378abcaf5b4ff8b97ac
-size 28580929
+oid sha256:8b380191a03d2ad58cfabf96da1dbe6132650405c153f1d4e5b43f694a4988a2
+size 22214399

dflex/pretrained/PWM_HumanoidEnv.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b543fb90501485553af412910149b10340f43a806074684d3721536e74e04e27
-size 29119745
+oid sha256:a9816e77bb0bc1197f998dc980bf65a53e4577ee1beb908d9360edf25cde4cdb
+size 22642623

dflex/pretrained/PWM_SNUHumanoidEnv.pt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:487702e2586f3c53d9d3a1611ac4967022e6e4e98e376b17fcd29d17845537ae
-size 31517121
+oid sha256:fed41d03bfd3d3ba6a2b12ca20e23194c3cba3bdfee6edbc351dc0ffbdb73b27
+size 24235135