Hashless assets (#4312)

* add support for external assets

* fix playwright tests

* add more documentation to with_hash_suffix

* restore external asset hashing tests

* Update gtk workflow dependencies

* fix doc test

* multiple versions of libgtk

* clear dx in playwright tests

* fix fullstack caching test

* try without apt cache

* cache everything except libxdo-dev

* revert ci changes

* fix wasm asset options

* fix merge conflict

* recommend the used attribute instead

* Move options to AssetOptionsBuilder

* Don't deprecate non-canonical new asset options functions

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/manganis/manganis-core/src/asset.rs

@@ -66,37 +66,6 @@ impl BundledAsset {
         }
     }
 
-    #[doc(hidden)]
-    /// This should only be called from the macro
-    /// Create a new asset but with a relative path
-    ///
-    /// This method is deprecated and will be removed in a future release.
-    #[deprecated(
-        note = "Relative asset!() paths are not supported. Use a path like `/assets/myfile.png` instead of `./assets/myfile.png`"
-    )]
-    pub const fn new_relative(
-        absolute_source_path: &'static str,
-        bundled_path: &'static str,
-        options: AssetOptions,
-    ) -> Self {
-        Self::new(absolute_source_path, bundled_path, options)
-    }
-
-    #[doc(hidden)]
-    /// This should only be called from the macro
-    /// Create a new asset from const paths
-    pub const fn new_from_const(
-        absolute_source_path: ConstStr,
-        bundled_path: ConstStr,
-        options: AssetOptions,
-    ) -> Self {
-        Self {
-            absolute_source_path,
-            bundled_path,
-            options,
-        }
-    }
-
     /// Get the bundled name of the asset. This identifier cannot be used to read the asset directly
     pub fn bundled_path(&self) -> &str {
         self.bundled_path.as_str()