Add 7B lora merge model and remove old test models.

rwkv-chatgal-v1test-7B-ctx1024-epoch2.pth → rwkv-chatgal-0426-7B-ctx4096-epoch19.pth

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3869038534944b24bc6ae2bebe2f3ac11dd69dd25a7ab2bdfa0be2499a170889
-size 14785389598
+oid sha256:eddbb50035c068b7af471d50c37806e90905d9e172159c31c5106ad23c11a7ee
+size 14785494433

rwkv-chatgal-v1test-7B-ctx1024-epoch9.pth

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:90e547a081baf4aa60b0f25263d189d715e4246ae242ab8534f34bb45fea1274
-size 14785389598