interpreter: remove rust_crate_type from the build_target checker

This is already handled by the typed_kwargs

mesonbuild/interpreter/interpreter.py

@@ -3248,7 +3248,7 @@ class Interpreter(InterpreterBase, HoldableObject):
                      kwargs: T.Union[kwtypes.Executable, kwtypes.StaticLibrary, kwtypes.SharedLibrary, kwtypes.SharedModule, kwtypes.Jar],
                      targetclass: T.Type[T.Union[build.Executable, build.StaticLibrary, build.SharedModule, build.SharedLibrary, build.Jar]]
                      ) -> T.Union[build.Executable, build.StaticLibrary, build.SharedModule, build.SharedLibrary, build.Jar]:
-        @FeatureNewKwargs('build target', '0.42.0', ['rust_crate_type', 'build_rpath', 'implicit_include_directories'])
+        @FeatureNewKwargs('build target', '0.42.0', ['build_rpath', 'implicit_include_directories'])
         @FeatureNewKwargs('build target', '0.41.0', ['rust_args'])
         @FeatureNewKwargs('build target', '0.38.0', ['build_by_default'])
         @FeatureNewKwargs('build target', '0.48.0', ['gnu_symbol_visibility'])