Revert "Add linkup command to improve link functionality" (#4439)

This reverts commit 2504f6fce4.

ci/build/build-code-server.sh

@@ -30,15 +30,6 @@ main() {
     chmod +x ./lib/coder-cloud-agent
     set -e
   fi
-
-  if ! [ -f ./lib/linkup ]; then
-    echo "Downloading Link agent..."
-
-    set +e
-    curl -fsSL "https://storage.googleapis.com/coder-link-releases/latest/linkup-$OS-$ARCH" -o ./lib/linkup
-    chmod +x ./lib/linkup
-    set -e
-  fi
 }
 
 main "$@"

ci/build/build-release.sh

@@ -61,7 +61,6 @@ EOF
     rsync node_modules/ "$RELEASE_PATH/node_modules"
     mkdir -p "$RELEASE_PATH/lib"
     rsync ./lib/coder-cloud-agent "$RELEASE_PATH/lib"
-    rsync ./lib/linkup "$RELEASE_PATH/lib"
   fi
 }
 

ci/build/npm-postinstall.sh

@@ -66,12 +66,6 @@ main() {
     echo "Failed to download cloud agent; --link will not work"
   fi
 
-  if curl -fsSL "https://storage.googleapis.com/coder-link-releases/latest/linkup-$OS-$ARCH" -o ./lib/linkup; then
-    chmod +x ./lib/linkup
-  else
-    echo "Failed to download Link agent; the Link extension will not work"
-  fi
-
   if ! vscode_yarn; then
     echo "You may not have the required dependencies to build the native modules."
     echo "Please see https://github.com/cdr/code-server/blob/master/docs/npm.md"