github: workflows: Python crc is not more needed

Since "commander" has replaced "siwx917_isp_prepare.py", crc python
package is no more needed.

Signed-off-by: Jérôme Pouiller <[email protected]>

Author: jerome-pouiller

.github/workflows/build.yml

@@ -32,10 +32,6 @@ jobs:
         app-path: zephyr-silabs
         toolchains: arm-zephyr-eabi
 
-    - name: Install Silabs-specific python dependencies
-      run: |
-        pip3 install crc
-
     - name: Fetch blobs
       run: |
         west blobs fetch hal_silabs

.github/workflows/upstream-build.yml

@@ -22,10 +22,6 @@ jobs:
         with:
           python-version: 3.11
 
-      - name: Install Silabs-specific python dependencies
-        run: |
-          pip3 install crc
-
       - name: Setup Zephyr project
         uses: zephyrproject-rtos/action-zephyr-setup@v1
         with: