treewide: fix double quoted strings in meta.description

Signed-off-by: Ben Siraphob <bensiraphob@gmail.com>

pkgs/development/interpreters/lua-5/build-lua-package.nix

@@ -207,7 +207,7 @@ builtins.removeAttrs attrs ["disabled" "checkInputs" "externalDeps" "extraVariab
 
   postFixup = lib.optionalString (!dontWrapLuaPrograms) ''
     wrapLuaPrograms
-  '' + attrs.postFixup or '''';
+  '' + attrs.postFixup or "";
 
   installPhase = attrs.installPhase or ''
     runHook preInstall

pkgs/development/interpreters/python/mk-python-derivation.nix

@@ -162,7 +162,7 @@ let
 
     postFixup = lib.optionalString (!dontWrapPythonPrograms) ''
       wrapPythonPrograms
-    '' + attrs.postFixup or '''';
+    '' + attrs.postFixup or "";
 
     # Python packages built through cross-compilation are always for the host platform.
     disallowedReferences = lib.optionals (python.stdenv.hostPlatform != python.stdenv.buildPlatform) [ python.pythonForBuild ];

pkgs/development/interpreters/quickjs/default.nix

@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "13hlx6qwrrxmlvvqcr3irxba6zmf05cf54l32vj50wc66s1qd41p";
   };
 
-  makeFlags = [ "prefix=${placeholder ''out''}" ];
+  makeFlags = [ "prefix=${placeholder "out"}" ];
   enableParallelBuilding = true;
 
   doInstallCheck = true;