Remove raises node

[JSAbrahams]

Summary

Remnant of old grammar of language. It didn't do anything, and no checks were performed in the current check stage.

[codecov[bot]]

Codecov Report

Merging #421 (570e2e3) into develop (b9657d5) will increase coverage by 0.10%. The diff coverage is 100.00%.

:exclamation: Current head 570e2e3 differs from pull request most recent head 93ac9b7. Consider uploading reports for the commit 93ac9b7 to get more accurate results

@@             Coverage Diff             @@
##           develop     #421      +/-   ##
===========================================
+ Coverage    88.01%   88.11%   +0.10%     
===========================================
  Files          110      110              
  Lines        12079    12044      -35     
===========================================
- Hits         10631    10613      -18     
+ Misses        1448     1431      -17     

Impacted Files	Coverage Δ
src/check/ast/node.rs	97.01% <ø> (-0.04%)	:arrow_down:
src/generate/convert/handle.rs	58.69% <ø> (-0.88%)	:arrow_down:
src/parse/ast/mod.rs	100.00% <ø> (ø)
src/parse/ast/node.rs	85.39% <ø> (+0.35%)	:arrow_up:
src/parse/expr_or_stmt.rs	94.02% <ø> (+5.75%)	:arrow_up:
src/check/constrain/generate/mod.rs	95.08% <100.00%> (ø)
src/generate/convert/mod.rs	94.71% <100.00%> (-0.08%)	:arrow_down: