Improve cutback_2x2

[SkandanC]

Improve cutback_2x2.

Closes #1373

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 41.22%.

Quality metrics	Before	After	Change
Complexity	0.20 ⭐	14.07 🙂	13.87 👎
Method Length	57.67 ⭐	191.00 😞	133.33 👎
Working memory	12.60 😞	24.40 ⛔	11.80 👎
Quality	67.70% 🙂	26.48% 😞	-41.22% 👎

Other metrics	Before	After	Change
Lines	51	116	65

Changed files	Quality Before	Quality After	Quality Change
gdsfactory/components/cutback_2x2.py	67.70% 🙂	26.48% 😞	-41.22% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
gdsfactory/components/cutback_2x2.py	cutback_2x2	15 🙂	483 ⛔	26 ⛔	21.49% ⛔	Try splitting into smaller methods. Extract out complex expressions

Legend and Explanation

The emojis denote the absolute quality of the code:

• ⭐ excellent
• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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Please see our documentation here for details on how these metrics are calculated.

We are actively working on this report - lots more documentation and extra metrics to come!

Help us improve this quality report!

[joamatab]

Thank you Skandan!