treewide: more fixes of phases after bash 4.3 -> 4.4

I'm surprised that the packages ever worked.

pkgs/development/libraries/soundtouch/default.nix

@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ autoconf automake libtool ];
 
-  preConfigurePhases = "./bootstrap";
+  preConfigure = "./bootstrap";
 
   meta = {
       description = "A program and library for changing the tempo, pitch and playback rate of audio";

pkgs/development/libraries/zimlib/default.nix

@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
   buildInputs = [ automake autoconf libtool lzma ];
   setSourceRoot = "cd openzim-*/zimlib; export sourceRoot=`pwd`";
-  preConfigurePhases = [ "./autogen.sh" ];
+  preConfigure = "./autogen.sh";
 
   meta = {
     description = "Library for reading and writing ZIM files (file format for storing Web content offline)";