Remove deprecations for Pillow 12.0.0

[radarhere]

Remove deprecations scheduled for removal in Pillow 12.0.0:

• Deprecate ICNS (width, height, scale) sizes in favour of load(scale) #8352
• Deprecate isImageType #8364
• Deprecate support for FreeType 2.9.0 #8356
• Use ImagingCore.ptr instead of ImagingCore.id #8341
• Remove WebP support without anim, mux/demux, and with buggy alpha #8213
• Deprecate JpegImageFile huffman_ac and huffman_dc #8274
• Deprecate ImageMath lambda_eval and unsafe_eval options argument #8242
• Deprecate non-image ImageCms modes #8031
• Deprecate ImageDraw.getdraw hints parameter #8124
• Deprecate BGR;15, BGR;16 and BGR;24 modes #7978
• Deprecate support for libtiff < 4 #7998
• Deprecate eval(), replacing it with lambda_eval() and unsafe_eval() #7927
• Deprecate ImageCms constants and versions() function #7702
• Deprecate IptcImagePlugin helpers #7664
• Translate encoder error codes to strings; deprecate ImageFile.raise_oserror() #7609