github: workflows: Remove continue-on-error

We want the workflows to fail for these steps, so remove continue-on-error.

Signed-off-by: Johan Hedberg <[email protected]>

Author: jhedberg

.github/workflows/build.yml

@@ -39,28 +39,24 @@ jobs:
           west blobs fetch hal_silabs
 
       - name: Build Entropy test
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s drivers.entropy -p siwx917_rb4338a -v --inline-logs
 
       - name: Build Bluetooth samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s sample.bluetooth.peripheral_hr -p siwx917_rb4338a -v --inline-logs -K
 
       - name: Build Rail samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s sample.rail.simple_txrx -T samples -v --inline-logs
 
       - name: Build Wifi samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |

.github/workflows/upstream-build.yml

@@ -44,29 +44,25 @@ jobs:
           west blobs fetch hal_silabs
 
       - name: Build Entropy test
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s drivers.entropy -p siwx917_rb4338a -v --inline-logs -K
 
       - name: Build Bluetooth samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s sample.bluetooth.peripheral_hr -p xg27_dk2602a -v --inline-logs -K
           west twister -s sample.bluetooth.peripheral_hr -p siwx917_rb4338a -v --inline-logs -K
 
       - name: Build Rail samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |
           west twister -s sample.rail.simple_txrx -T samples -v --inline-logs
 
       - name: Build Wifi samples
-        continue-on-error: true
         working-directory: zephyr-silabs
         shell: bash
         run: |