Enable snippets by default (#1258)

## Checklist

- [ ] I have added
[tests](https://www.cursorless.org/docs/contributing/test-case-recorder/)
- [ ] I have updated the
[docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and
[cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet)
- [ ] I have not broken the cheatsheet

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pokey

cursorless-talon/src/cursorless_snippets.talon

@@ -1,5 +1,4 @@
 tag: user.cursorless
-tag: user.cursorless_experimental_snippets
 -
 
 {user.cursorless_insert_snippet_action} <user.cursorless_insertion_snippet>:

cursorless-talon/src/snippets.py

@@ -1,10 +1,12 @@
-from talon import Context, Module, actions, app
+from talon import Module, actions, app
 
 from .csv_overrides import init_csv_and_watch_changes
 
 mod = Module()
 mod.list("cursorless_insert_snippet_action", desc="Cursorless insert snippet action")
 
+# Deprecated tag; we should probably remove this and notify users that they
+# should get rid of it, but I don't think it's worth the effort right now
 mod.tag(
     "cursorless_experimental_snippets",
     desc="tag for enabling experimental snippet support",
@@ -34,12 +36,6 @@ def cursorless_insertion_snippet(m) -> str:
     return m.cursorless_insertion_snippet_single_phrase.split(".")[0]
 
 
-experimental_snippets_ctx = Context()
-experimental_snippets_ctx.matches = r"""
-tag: user.cursorless_experimental_snippets
-"""
-
-
 # NOTE: Please do not change these dicts.  Use the CSVs for customization.
 # See https://www.cursorless.org/docs/user/customization/
 wrapper_snippets = {
@@ -87,7 +83,6 @@ def on_ready():
         },
         allow_unknown_values=True,
         default_list_name="wrapper_snippet",
-        ctx=experimental_snippets_ctx,
     )
     init_csv_and_watch_changes(
         "experimental/insertion_snippets",
@@ -96,7 +91,6 @@ def on_ready():
         },
         allow_unknown_values=True,
         default_list_name="insertion_snippet_no_phrase",
-        ctx=experimental_snippets_ctx,
     )
     init_csv_and_watch_changes(
         "experimental/insertion_snippets_single_phrase",
@@ -105,14 +99,12 @@ def on_ready():
         },
         allow_unknown_values=True,
         default_list_name="insertion_snippet_single_phrase",
-        ctx=experimental_snippets_ctx,
     )
     init_csv_and_watch_changes(
         "experimental/miscellaneous",
         {
             "phrase_terminator": {"over": "phraseTerminator"},
         },
-        ctx=experimental_snippets_ctx,
     )