Revert "Merge master into staging-next"

I merged master into staging-next but accidentally pushed it to master.
This should get us back to 87a19e9048.

This reverts commit ac241fb7a5, reversing
changes made to 76a439239e.

pkgs/development/tools/electron/print-hashes.sh

@@ -19,15 +19,11 @@ SYSTEMS=(
     [x86_64-darwin]=darwin-x64
 )
 
-hashfile="$(nix-prefetch-url --print-path "https://github.com/electron/electron/releases/download/v${VERSION}/SHASUMS256.txt" 2>/dev/null | tail -n1)"
-
-echo "Entry similar to the following goes in default.nix:"
-echo
-echo "  electron_${VERSION%%.*} = mkElectron \"${VERSION}\" {"
-
 for S in "${!SYSTEMS[@]}"; do
-  hash="$(grep " *electron-v${VERSION}-${SYSTEMS[$S]}.zip$" "$hashfile"|cut -f1 -d' ')"
-  echo "    $S = \"$hash\";"
+  HASHES["$S"]=$(nix-prefetch-url "https://github.com/electron/electron/releases/download/v${VERSION}/electron-v${VERSION}-${SYSTEMS[$S]}.zip")
 done
 
-echo "  };"
+for S in "${!HASHES[@]}"; do
+    echo "$S"
+    echo "sha256 = \"${HASHES[$S]}\";"
+done