Remove pup-pup example recordings

vocalisations/pup_recordings/pup_session_000_b2b3.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s580790107--f8712b27832b633adf06782ae12d9d08

vocalisations/pup_recordings/pup_session_003_b2b5.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s606611630--d7c2df7f141810edd72144c210ed7e23

vocalisations/pup_recordings/pup_session_006_b2b8.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s587735065--661e2c6807be64a20839b8abb0b320f6

vocalisations/pup_recordings/pup_session_115_b4b3.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s608607631--4a3985c03384f6ff468a5d91d0fabaf5

vocalisations/pup_recordings/pup_session_118_b4b5.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s672672760--980a211e053a6084439b51b7ddf976f1

vocalisations/pup_recordings/pup_session_121_b4b8.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s569618892--fe6de77214e8b1afe6eb64ba65ca29c6

vocalisations/pup_recordings/pup_session_235_b7b3.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s581449116--e274bf9061e74fbaa3a8f69a23a85eae

vocalisations/pup_recordings/pup_session_236_b7b5.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s590090869--a6c5e473e164fad0ba32ce1c0e9066bd

vocalisations/pup_recordings/pup_session_239_b7b8.flac

@@ -1 +0,0 @@
-/annex/objects/MD5-s623821354--fe707a8f6231ce032befcfd01b4524eb