No codeintel on deleted lines in Bitbucket PRs

Created by: felixfbecker

Added and unchanged lines work, but deleted lines throw

hover.ts:49 Error: document not found: git://localhost/SOURCEGRAPH/mux?c5c6c98bc25355028a63748a498942a6398ccd22#mux.go
    at ExtDocuments.get (blob:chrome-extension://bmfbcejdknlknpncfpeloejonjoledha/d2eac217-b3f4-4b7e-98f5-d7c10d4d94d3:27398:13)
    at ExtDocuments.<anonymous> (blob:chrome-extension://bmfbcejdknlknpncfpeloejonjoledha/d2eac217-b3f4-4b7e-98f5-d7c10d4d94d3:27421:19)
    at Generator.next (<anonymous>)
    at fulfilled (blob:chrome-extension://bmfbcejdknlknpncfpeloejonjoledha/d2eac217-b3f4-4b7e-98f5-d7c10d4d94d3:23163:24)