The ornamental design for a laundrysink, as shown and described.
1. Laundry sink
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Right
1.6 : Top
1.7 : Bottom
1.8 : Perspective view 2
1.9 : Front view 2
1.10 : Back view 2
1.11 : Left view 2
1.12 : Right view 2
1.13 : Top view 2
1.14 : Bottom view 2
The broken lines depict portions of the laundry sink that form no part of the claimed design; the dash-dot broken lines define the bounds of the claimed design and form no part thereof; reproduction 1.1 is a front perspective view of the laundry sink; reproduction 1.8 is a front perspective view thereof in a condition that the top sink cover has been open; reproductions 1.2 and 1.9 are front views of reproductions 1.1 and 1.8, respectively; reproductions 1.3 and 1.10 are back views of reproductions 1.1 and 1.8, respectively; reproductions 1.4 and 1.11 are left views of reproductions 1.1 and 1.8, respectively; reproductions 1.5 and 1.12 are right views of reproductions 1.1 and 1.8, respectively; reproductions 1.6 and 1.13 are top views of reproductions 1.1 and 1.8, respectively; reproductions 1.7 and 1.14 are bottom views of reproductions 1.1 and 1.8, respectively.