Remove confirmed mismatched Amis recording

Jacob manually reviewed this recording as not matching Pacemet a pahanhan. The published file is byte-identical to the reviewed sample.

Amis/Amis/Amis_3707.mp3

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7d8321829b2e9b62363e6774ad2fb91a46116bc5ef962574f3e3e42af8a1e1ff
-size 212446