replace kitchen installs with utils installs

[adampingel]

Replace the pip install granite-kitchen with utils in:

• [x] All .ipynb files in all granite-kitchen.
• [x] All .ipynb files in all granite-snack-cookbook.
• [x] All .ipynb files in all granite-timeseries-cookbook.
• [x] All .ipynb files in all granite-code-cookbook.
• [x] All .ipynb files in all granite-finance-cookbook.
• [x] All .ipynb files in all granite-legal-cookbook.
• [x] https://github.com/ibm-granite-community/community/wiki/Authoring-Recipes#checklist
• [x] PR issue checklist (edit PR template)

[fayvor]

• Kitchen PR. -merged
• Snacks PR
• Timeseries - noop.
• Code PR
• Finance - noop.
• Legal PR
• .github PR (for the PR checklist)

[adampingel]

merged the kitchen changes

[adampingel]

everything is approved and merged. Nice!