Remove api symlink deletion step from CI workflow

The symlink for ArduinoCore-API in the Mbed OS Boards core library has been removed. This resulted in the step of the
"Compile Examples" CI workflow that removes the now non-existent symlink to fail.

Author: per1234

.github/workflows/compile-examples.yml

@@ -147,11 +147,6 @@ jobs:
           # the arduino/actions/libraries/compile-examples action will install the platform from this path
           path: ${{ env.ARDUINOCORE_MBED_STAGING_PATH }}
 
-      - name: Remove ArduinoCore-API symlink from Arduino mbed-Enabled Boards platform
-        # this step only needed when the Arduino mbed-Enabled Boards platform sourced from the repository is being used
-        if: matrix.board.type == 'mbed'
-        run: rm "${{ env.ARDUINOCORE_MBED_STAGING_PATH }}/cores/arduino/api"
-
       - name: Checkout ArduinoCore-API
         # this step only needed when the Arduino mbed-Enabled Boards platform sourced from the repository is being used
         if: matrix.board.type == 'mbed'