MNT: Remove EcatImage.from_filespec

Author: effigies

nibabel/ecat.py

@@ -54,7 +54,6 @@
 from .arraywriters import make_array_writer
 from .wrapstruct import WrapStruct
 from .fileslice import canonical_slicers, predict_shape, slice2outax
-from .deprecated import deprecate_with_version
 
 BLOCK_SIZE = 512
 
@@ -864,14 +863,6 @@ def get_subheaders(self):
         """get access to subheaders"""
         return self._subheader
 
-    @classmethod
-    @deprecate_with_version('from_filespec class method is deprecated.\n'
-                            'Please use the ``from_file_map`` class method '
-                            'instead.',
-                            '2.1', '4.0')
-    def from_filespec(klass, filespec):
-        return klass.from_filename(filespec)
-
     @staticmethod
     def _get_fileholders(file_map):
         """ returns files specific to header and image of the image