[backend] Remove community dependancies from make first run

[BeatrixCohere]

Remove the community dependencies from make first run

AI Description

This pull request updates the Makefile to adjust the dependencies installed during the setup process.

Summary

The PR removes the community option from the poetry install command, reducing the number of dependencies installed during the setup process.

Changes

• The poetry install command in the setup and win-setup targets no longer includes the community option.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@5155eee). Learn more about missing BASE report.

Files	Patch %	Lines
src/backend/cli/main.py	20.00%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #170   +/-   ##
=======================================
  Coverage        ?   88.16%           
=======================================
  Files           ?      137           
  Lines           ?     4555           
  Branches        ?        0           
=======================================
  Hits            ?     4016           
  Misses          ?      539           
  Partials        ?        0           

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