ci: Remove 'which' from flutter bindings ci

GH ubuntu says it doesn't exist.
Not needed anyway

.github/workflows/flutter-gen-bindings.yml

@@ -4,7 +4,7 @@
 
 # On demand flutter action to trigger binding regeneration
 
-name: Flutter-dev
+name: Generate Flutter Bindings
 
 on:
   push:
@@ -32,7 +32,7 @@ jobs:
           sudo apt install libgtk-3-dev libglib2.0-dev ninja-build libspdlog-dev lld \
           python3 python3-dev clang llvm libclang-15-dev libxslt-dev mesa-common-dev libglu1-mesa-dev libglib2.0-dev libfontconfig \
           libxkbcommon-dev mesa-utils libgl1-mesa-dev libglu1-mesa-dev nlohmann-json3-dev clang-format-15 qt6-base-dev wget curl \
-          file unzip zip which xz-utils -y
+          file unzip zip xz-utils -y
 
       - name: Clone Dartagnan
         uses: actions/checkout@v4