Remove placeholder "Fixed" section for 0.2.0 in CHANGELOG #154

Job	Run time
cargo check (msrv) (windows-latest)	37s
cargo clippy (wasm32)	25s
cargo check (msrv) (wasm32)	17s
cargo clippy (windows-latest)	58s
cargo check (msrv) (macos-latest)	30s
cargo check (msrv) (ubuntu-latest)	18s
cargo clippy (macos-latest)	25s
cargo doc	20s
cargo clippy (ubuntu-latest)	27s
cargo fmt	26s
cargo test (windows-latest)	49s
cargo test (wasm32)	18s
cargo test (macos-latest)	20s
typos	5s
cargo test (ubuntu-latest)	16s
	6m 31s

Provide feedback