Remove starfish.types.Clip

[ttung]

It has been deprecated in favor of Clip.

Test plan: make -j fast

Depends on #1724
Fixes #1723

[codecov-io]

Codecov Report

Merging #1729 into master will increase coverage by 0.12%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1729      +/-   ##
==========================================
+ Coverage    90.2%   90.33%   +0.12%     
==========================================
  Files         248      248              
  Lines        9159     9137      -22     
==========================================
- Hits         8262     8254       -8     
+ Misses        897      883      -14

Impacted Files	Coverage Δ
starfish/types.py	100% <ø> (ø)	⬆️
starfish/core/types/__init__.py	100% <ø> (ø)	⬆️
starfish/core/imagestack/imagestack.py	92.95% <ø> (+3.3%)	⬆️
starfish/core/image/Filter/gaussian_high_pass.py	100% <100%> (ø)	⬆️
starfish/core/image/Filter/element_wise_mult.py	80% <100%> (ø)	⬆️
starfish/core/image/Filter/mean_high_pass.py	100% <100%> (ø)	⬆️
starfish/core/image/Filter/reduce.py	95% <100%> (ø)	⬆️
...core/image/Filter/richardson_lucy_deconvolution.py	95.45% <100%> (ø)	⬆️
starfish/core/image/Filter/gaussian_low_pass.py	100% <100%> (ø)	⬆️
starfish/core/image/Filter/map.py	92.3% <100%> (ø)	⬆️
... and 4 more

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