comment out broken Feature checks that fail mypy

We currently cannot make this work because inside dependency() we don't
know the current subproject. We would also like the optional but
extremely useful location node, but we don't have that either...

Convert the broken code to a FIXME for visibility.

mesonbuild/dependencies/base.py

@@ -24,7 +24,7 @@
 from ..compilers import clib_langs
 from ..mesonlib import LibType, MachineChoice, MesonException, HoldableObject
 from ..mesonlib import version_compare_many
-from ..interpreterbase import FeatureDeprecated
+#from ..interpreterbase import FeatureDeprecated, FeatureNew
 
 if T.TYPE_CHECKING:
     from .._typing import ImmutableListProtocol
@@ -496,14 +496,21 @@ def process_method_kw(possible: T.Iterable[DependencyMethods], kwargs: T.Dict[st
         raise DependencyException(f'method {method!r} is invalid')
     method = DependencyMethods(method)
 
+    # Raise FeatureNew where appropriate
+    if method is DependencyMethods.CONFIG_TOOL:
+        # FIXME: needs to get a handle on the subproject
+        # FeatureNew.single_use('Configuration method "config-tool"', '0.44.0')
+        pass
     # This sets per-tool config methods which are deprecated to to the new
     # generic CONFIG_TOOL value.
     if method in [DependencyMethods.SDLCONFIG, DependencyMethods.CUPSCONFIG,
                   DependencyMethods.PCAPCONFIG, DependencyMethods.LIBWMFCONFIG]:
-        FeatureDeprecated.single_use(f'Configuration method {method.value}', '0.44', 'Use "config-tool" instead.')
+        # FIXME: needs to get a handle on the subproject
+        #FeatureDeprecated.single_use(f'Configuration method {method.value}', '0.44', 'Use "config-tool" instead.')
         method = DependencyMethods.CONFIG_TOOL
     if method is DependencyMethods.QMAKE:
-        FeatureDeprecated.single_use('Configuration method "qmake"', '0.58', 'Use "config-tool" instead.')
+        # FIXME: needs to get a handle on the subproject
+        # FeatureDeprecated.single_use('Configuration method "qmake"', '0.58', 'Use "config-tool" instead.')
         method = DependencyMethods.CONFIG_TOOL
 
     # Set the detection method. If the method is set to auto, use any available method.