CI: Tidy up build steps

.github/workflows/micropython.yml

@@ -75,10 +75,9 @@ jobs:
         source $BUILD_TOOLS
         build_deps
       
-    - name: Checkout MicroPython & MicroPython Libs
+    - name: Checkout MicroPython & Submodules
       run: |
         source $BUILD_TOOLS
-        clone_micropython_lib
         clone_micropython
 
     - name: "HACK: CMakeLists.txt Disable C++ Exceptions Patch"

ci/micropython.sh

@@ -12,10 +12,6 @@ function log_warning {
 	echo -e "$(tput setaf 1)$1$(tput sgr0)"
 }
 
-function clone_micropython_lib {
-    git clone https://github.com/micropython/micropython-lib --depth=1
-}
-
 function clone_micropython {
     log_inform "Using MicroPython $MICROPYTHON_VERSION"
     git clone https://github.com/micropython/micropython --depth=1 --branch=$MICROPYTHON_VERSION
@@ -36,10 +32,6 @@ function build_deps {
     sudo apt update && sudo apt install ccache
 }
 
-function clone_pimoroni_pico {
-    git clone https://github.com/micropython/micropython --branch=$PIMORONI_PICO_SHA --depth=1
-}
-
 function micropython_version {
     echo "MICROPY_GIT_TAG=$MICROPYTHON_VERSION, $BOARD_NAME $TAG_OR_SHA" >> $GITHUB_ENV
     echo "MICROPY_GIT_HASH=$MICROPYTHON_VERSION-$TAG_OR_SHA" >> $GITHUB_ENV