History of BlameController::dispose 1 change

In src/blame.ts, lines 120–127 on b4626290e6607a36264acd6feffe828fa0b0a727b1abc189f904b8cafed86d4a. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 120,127:src/blame.ts.