chore: remove spurious ci step that makes it slower (#1152)

Signed-off-by: Sylvain Rabot <sylvain@formance.com>

Author: sylr

.github/actions/default/action.yml

@@ -16,9 +16,6 @@ runs:
     #  with:
     #    primary-key: nix-${{ runner.os }}-${{ hashFiles('**/flake.nix', '**/flake.lock') }}
     #    restore-prefixes-first-match: nix-${{ runner.os }}-
-    - name: Load dependencies
-      shell: bash
-      run: nix develop --install
     - name: go env
       id: go-env
       shell: bash