Merge branch 'jk/slimmed-down'

Trim an unused binary and turn a bunch of commands into built-in.

* jk/slimmed-down:
  drop vcs-svn experiment
  make git-fast-import a builtin
  make git-bugreport a builtin
  make credential helpers builtins
  Makefile: drop builtins from MSVC pdb list

t/test-lib-functions.sh

@@ -820,7 +820,7 @@ test_must_fail_acceptable () {
 	fi
 
 	case "$1" in
-	git|__git*|test-tool|test-svn-fe|test_terminal)
+	git|__git*|test-tool|test_terminal)
 		return 0
 		;;
 	*)