ci: [~] delete PRs and forms checkboxes

[eruizalo]

Current forms and templates contains a checkbox. This very checkbox translates as an issue/PR task and it is not

[codecov]

Codecov Report

Merging #218 (93e6844) into main (e1c9a77) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #218   +/-   ##
=======================================
  Coverage   95.97%   95.97%           
=======================================
  Files          53       53           
  Lines         794      794           
  Branches        9       13    +4     
=======================================
  Hits          762      762           
  Misses         32       32           

Flag	Coverage Δ
spark-2.4.x	93.04% <ø> (ø)
spark-3.0.x	94.76% <ø> (ø)
spark-3.1.x	95.93% <ø> (ø)
spark-3.2.x	95.93% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e1c9a77...93e6844. Read the comment docs.