Revert "Try installing patched libosmium"

This reverts commit a53fd62.

Author: joto

.github/actions/install-from-git/action.yml

@@ -5,6 +5,6 @@ runs:
   steps:
     - name: Install from git
       run: |
-        git clone --quiet --depth 1 -b explicit-init https://github.com/osmcode/libosmium.git ../libosmium
+        git clone --quiet --depth 1 https://github.com/osmcode/libosmium.git ../libosmium
         git clone --quiet --depth 1 https://github.com/mapbox/protozero.git ../protozero
       shell: bash