Update Dockerfile

Dockerfile

@@ -68,25 +68,10 @@ RUN curl -LO https://go.dev/dl/go1.23.0.linux-amd64.tar.gz \
     && rm go1.23.0.linux-amd64.tar.gz
     
 # -----------------------------
-# Node.js + Java + .NET
+# Java Development Kit 17
 # -----------------------------
 RUN apt-fast update && apt-fast install -y openjdk-17-jdk
 
-# Install Microsoft package signing key
-RUN wget https://packages.microsoft.com/keys/microsoft.asc -O /tmp/microsoft.asc \
-    && gpg --dearmor /tmp/microsoft.asc \
-        > /usr/share/keyrings/microsoft.gpg
-
-# Register the new APT v2 repository
-RUN echo "deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/ubuntu/24.04/prod noble main" \
-    > /etc/apt/sources.list.d/microsoft-prod.list
-
-# Install .NET SDK
-RUN apt-fast update && apt-fast install -y dotnet-sdk-8.0
-
-# Yarn + Pnpm build tools
-RUN npm install -g yarn pnpm
-
 # -----------------------------
 # Haskell
 # -----------------------------