Don't try to parse host sets in get_relevant_files()

This is taken care of in the parse_config(), so no need to do this again.

dotm/main.py

@@ -12,10 +12,10 @@
 def get_relevant_files(config: Dict) -> List[str]:
     """Collect relevant files for host."""
     hostname = gethostname()
-    relevant: List[str] = []
 
-    for host_set, files in config.items():
-        if hostname in host_set.split("|") or host_set == "all":
+    relevant: List[str] = []
+    for host, files in config.items():
+        if host == hostname or host == "all":
             relevant.extend(files)
 
     return relevant

dotm/main_test.py

@@ -10,14 +10,12 @@
 @pytest.mark.parametrize(
     "config,file_paths,hostname",
     [
-        # Straight forward with "all" block
         (
             {"all": [".emacs"], "host1": [".tmux.conf"], "otherhost": [".vimrc"]},
             {".emacs", ".tmux.conf"},
             "host1",
         ),
-        # Multi host block
-        ({"host1|host2|host3": [".emacs"]}, {".emacs"}, "host1"),
+        ({"host1": [".emacs"]}, {".emacs"}, "host1"),
     ],
 )
 def test_relevant_files(mocker, config, file_paths, hostname):