various: remove useless "source stdenv/setup"

Those are run inside buildCommand, which is evaled inside stdenv/setup -
so no reason to source it again.

Changed files
-5
pkgs
by-name
k2
k2pdfopt
xq
development
compilers
-1
pkgs/by-name/k2/k2pdfopt/package.nix
···
patchCommands,
}:
runCommand "${name}-k2pdfopt.patch" { inherit src; } ''
-
source $stdenv/setup
unpackPhase
orig=$sourceRoot
-2
pkgs/by-name/xq/xquartz/system-fonts.nix
···
xorg.mkfontdir xorg.mkfontscale
];
buildCommand = ''
-
source $stdenv/setup
-
for i in ${toString fontDirs} ; do
if [ -d $i/ ]; then
list="$list $i";
-2
pkgs/development/compilers/fpc/remove-signature.sh
···
-
source $stdenv/setup
-
codesign_allocate -r -i "$1" -o "$1"