git: Disable fetch.pruneTags

This leads to problems in repositories with multiple remotes that do not
share the same tags. A fetch --all will then fetch and delete a tag at
the same time. Tags are also way less often deleted in my experience so
that an automatic pruning is not necessary.

.config/git/config

@@ -54,7 +54,7 @@
 [fetch]
 	output = compact
 	prune = true
-	pruneTags = true
+	pruneTags = false
 	parallel = 0
 [gpg]
 	program = gpg.loopback