Remove deprecated config key and template filters

src/config/normalize.rs

@@ -83,31 +83,19 @@ fn normalize_plugin(
         remote,
         local,
         inline,
-        mut proto,
+        proto,
         reference,
         dir,
         uses,
         apply,
         profiles,
         hooks,
-        mut rest,
+        rest,
     } = raw_plugin;
 
     let is_reference_some = reference.is_some();
     let is_gist_or_github = gist.is_some() || github.is_some();
 
-    // Handle some deprecated items :/
-    if proto.is_none() {
-        if let Some(protocol) = try_pop_toml_value(&mut rest, "protocol") {
-            warnings.push(anyhow!(
-                "use of deprecated config key: `plugins.{name}.protocol`, please use \
-                 `plugins.{name}.proto` instead",
-                name = name,
-            ));
-            proto = Some(protocol);
-        }
-    }
-
     check_extra_toml(rest, |key| {
         warnings.push(anyhow!("unused config key: `plugins.{name}.{key}`"));
     });

src/lock/script.rs

@@ -105,14 +105,6 @@ impl LockedConfig {
             }
         }
 
-        if *USED_GET.lock().unwrap() {
-            warnings.push(Error::msg(
-                "use of deprecated filter `get` in [templates], please use the `?.` operator \
-                 instead.\nFor example: `{{ hooks | get: \"pre\" | nl }}` can be written `{{ \
-                 hooks?.pre | nl }}`",
-            ));
-        }
-
         Ok(script)
     }
 }

tests/lib.rs

@@ -422,14 +422,6 @@ fn lock_and_source_hooks() -> io::Result<()> {
     Ok(())
 }
 
-#[test]
-fn lock_and_source_deprecated_get_filter() -> io::Result<()> {
-    let case = TestCase::load("deprecated_get_filter")?;
-    case.run()?;
-    check_sheldon_test(&case.dirs.data).unwrap();
-    Ok(())
-}
-
 #[test]
 fn directories_default() -> io::Result<()> {
     let dirs = TestDirs::default()?;