[MRG] Remove TarStorage and replace usage with ZipStorage

[luizirber]

Remove deprecation added in #1165

Checklist

• Is it mergeable?
• make test Did it pass the tests?
• make coverage Is the new code covered?
• Did it change the command-line interface? Only additions are allowed
  without a major version increment. Changing file formats also requires a
  major version number increment.
• Was a spellchecker run on the source code and documentation after
  changes were made?

[codecov]

Codecov Report

Merging #1170 into latest will increase coverage by 9.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           latest    #1170      +/-   ##
==========================================
+ Coverage   84.13%   93.16%   +9.02%     
==========================================
  Files          99       75      -24     
  Lines        9281     5944    -3337     
==========================================
- Hits         7809     5538    -2271     
+ Misses       1472      406    -1066     

Flag	Coverage Δ
#rusttests	?

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Impacted Files	Coverage Δ
sourmash/sbt_storage.py	92.09% <ø> (-0.41%)	⬇️
sourmash/sbt.py	88.90% <100.00%> (ø)
src/core/src/index/linear.rs
src/core/src/errors.rs
src/core/src/ffi/minhash.rs
src/core/src/index/storage.rs
src/core/src/signature.rs
src/core/src/lib.rs
src/core/src/from.rs
src/core/src/ffi/utils.rs
... and 17 more

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[ctb]

LGTM! assuming the tests pass :)