cleanup: remove current goose2 code (#9368)

Justfile

@@ -1,7 +1,5 @@
 # Justfile
 
-mod goose2 'ui/goose2'
-
 # list all tasks
 default:
   @just --list
@@ -450,8 +448,3 @@ build-test-tools:
 record-mcp-tests: build-test-tools
   GOOSE_RECORD_MCP=1 cargo test --package goose --test mcp_integration_test
   git add crates/goose/tests/mcp_replays/
-
-bundle-goose2:
-  cargo build --release --package goose-cli --bin goose {{linux_vulkan_features}}
-  cp target/release/goose target/release/goose-$(rustc --print host-tuple)
-  @just goose2::bundle