Revert "aider: add version specification support to aider update script"

This reverts commit ef80a96.

Author: Tim Heinsohn

aider/install

@@ -4,10 +4,8 @@
 # <https://github.com/Aider-AI/aider/issues/1984>
 
  # Install Aider with uv
- # Use VERSION=0.72 to install specific version:
- #   VERSION=0.72 ./aider/install
- echo "Installing aider-chat${VERSION:+ version $VERSION}..."
- uv tool install --python python3.12 --force aider-chat${VERSION:+==$VERSION} &&
+ echo "Installing aider-chat..."
+ uv tool install --python python3.12 --force aider-chat &&
 
  # Create virtual environment
  echo "Creating virtual environment..." &&

aider/update

@@ -4,10 +4,8 @@
  #!/bin/bash
 
 # Update Aider using uv
-# To rollback/downgrade, specify VERSION:
-#   VERSION=0.72 ./aider/update
-echo "Updating aider-chat${VERSION:+ to version $VERSION}..."
-uv tool install --python python3.12 ${VERSION:+--force} "aider-chat${VERSION:+==$VERSION}" ${VERSION:---upgrade aider-chat}
+echo "Updating aider-chat..."
+uv tool install --python python3.12 --upgrade aider-chat
 
 # Update dependencies in virtual environment
 if [ -d ~/.aider-venv ]; then