Auto merge of #21104 - wayling:master, r=jdm
Auto merge of #21104 - wayling:master, r=jdm

"./mach env" cause unclear message.

We did't use "LD_LIBRARY_PATH" and no need display this.

<!-- Please describe your changes on the following line: -->
Remove the print message.

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- [ X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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KiChjang/servo,peterjoel/servo,DominoTree/servo,sadmansk/servo,cbrewster/servo,SimonSapin/servo,jimberlage/servo,nnethercote/servo,pyfisch/servo,SimonSapin/servo,paulrouget/servo,peterjoel/servo,notriddle/servo,paulrouget/servo,larsbergstrom/servo,saneyuki/servo,saneyuki/servo,splav/servo,peterjoel/servo,emilio/servo,notriddle/servo,larsbergstrom/servo,saneyuki/servo,sadmansk/servo,nnethercote/servo,notriddle/servo,szeged/servo,peterjoel/servo,splav/servo,emilio/servo,saneyuki/servo,dati91/servo,notriddle/servo,cbrewster/servo,paulrouget/servo,larsbergstrom/servo,ConnorGBrewster/servo,notriddle/servo,nnethercote/servo,jimberlage/servo,splav/servo,cbrewster/servo,pyfisch/servo,SimonSapin/servo,jimberlage/servo,emilio/servo,szeged/servo,pyfisch/servo,KiChjang/servo,KiChjang/servo,emilio/servo,splav/servo,DominoTree/servo,DominoTree/servo,szeged/servo,saneyuki/servo,DominoTree/servo,ConnorGBrewster/servo,KiChjang/servo,SimonSapin/servo,emilio/servo,paulrouget/servo,KiChjang/servo,larsbergstrom/servo,peterjoel/servo,nnethercote/servo,splav/servo,paulrouget/servo,saneyuki/servo,saneyuki/servo,pyfisch/servo,sadmansk/servo,KiChjang/servo,szeged/servo,SimonSapin/servo,jimberlage/servo,nnethercote/servo,cbrewster/servo,KiChjang/servo,DominoTree/servo,pyfisch/servo,saneyuki/servo,splav/servo,cbrewster/servo,pyfisch/servo,szeged/servo,szeged/servo,peterjoel/servo,jimberlage/servo,ConnorGBrewster/servo,dati91/servo,emilio/servo,dati91/servo,cbrewster/servo,paulrouget/servo,KiChjang/servo,sadmansk/servo,SimonSapin/servo,jimberlage/servo,splav/servo,DominoTree/servo,DominoTree/servo,sadmansk/servo,ConnorGBrewster/servo,pyfisch/servo,nnethercote/servo,DominoTree/servo,peterjoel/servo,ConnorGBrewster/servo,nnethercote/servo,pyfisch/servo,DominoTree/servo,splav/servo,ConnorGBrewster/servo,sadmansk/servo,paulrouget/servo,szeged/servo,SimonSapin/servo,DominoTree/servo,nnethercote/servo,peterjoel/servo,pyfisch/servo,saneyuki/servo,szeged/servo,paulrouget/servo,larsbergstrom/servo,larsbergstrom/servo,KiChjang/servo,ConnorGBrewster/servo,peterjoel/servo,KiChjang/servo,SimonSapin/servo,jimberlage/servo,nnethercote/servo,notriddle/servo,sadmansk/servo,saneyuki/servo,notriddle/servo,emilio/servo,dati91/servo,dati91/servo,dati91/servo,larsbergstrom/servo,nnethercote/servo,pyfisch/servo,peterjoel/servo,larsbergstrom/servo,jimberlage/servo,larsbergstrom/servo,paulrouget/servo,emilio/servo,cbrewster/servo,emilio/servo,szeged/servo,jimberlage/servo,szeged/servo,splav/servo,dati91/servo,ConnorGBrewster/servo,notriddle/servo,splav/servo,notriddle/servo,sadmansk/servo,dati91/servo,emilio/servo,notriddle/servo,paulrouget/servo,cbrewster/servo,larsbergstrom/servo