fix: only install cloc once

Author: RembrandtK

.devcontainer/Dockerfile

@@ -45,9 +45,6 @@ RUN npm install -g ethers@6.13.4
 # Install cloc for code analysis
 RUN npm install -g cloc
 
-# Install cloc for code analysis
-RUN npm install -g cloc
-
 # Install Foundry for Anvil (as root for global installation)
 RUN curl -L https://foundry.paradigm.xyz | bash && \
     /root/.foundry/bin/foundryup && \