fix(tiger writes): Disable ignore write errors

[nikhars]

Now that we have been running inserts on the tiger cluster without
any issues for more than a month, its safe to not ignore the write
errors anymore for the consumers.

[codecov-commenter]

Codecov Report

Merging #2598 (48699dd) into master (02a56a8) will decrease coverage by 0.12%.
The diff coverage is 100.00%.

❗ Current head 48699dd differs from pull request most recent head bc314e4. Consider uploading reports for the commit bc314e4 to get more accurate results

@@            Coverage Diff             @@
##           master    #2598      +/-   ##
==========================================
- Coverage   92.92%   92.79%   -0.13%     
==========================================
  Files         606      606              
  Lines       28126    28127       +1     
==========================================
- Hits        26135    26101      -34     
- Misses       1991     2026      +35     

Impacted Files	Coverage Δ
snuba/datasets/storages/errors_v2.py	100.00% <ø> (ø)
snuba/datasets/storages/transactions_v2.py	100.00% <ø> (ø)
tests/test_consumer.py	84.45% <100.00%> (-15.55%)	⬇️
snuba/consumers/consumer.py	86.18% <0.00%> (-3.32%)	⬇️

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