Drop support for 5.10/ubuntu/23.10

Author: shahmishal

library/swift

@@ -92,11 +92,6 @@ Architectures: amd64, arm64v8
 GitCommit: 53c4d44e4b556d7bab6ff94c80e5bd0444cdc17d
 Directory: 5.10/ubuntu/20.04
 
-Tags: 5.10.1-mantic, 5.10-mantic
-Architectures: amd64, arm64v8
-GitCommit: 53c4d44e4b556d7bab6ff94c80e5bd0444cdc17d
-Directory: 5.10/ubuntu/23.10
-
 Tags: 5.10.1-noble, 5.10-noble
 Architectures: amd64, arm64v8
 GitCommit: 53c4d44e4b556d7bab6ff94c80e5bd0444cdc17d