fix(gemma): Fix build process in Nix

services/gemma/build.lisp

@@ -1,31 +1,5 @@
-;; Build script for use within Nix.
-
 (require :asdf)
 (require :sb-posix)
-(require :cffi)
 
 (push (format nil "~A/" (sb-posix:getcwd)) asdf:*central-registry*)
-
-;; Quicklisp is configured in the Nix build script
-(let ((quicklisp-init (merge-pathnames "quicklisp/setup.lisp"
-                                       (user-homedir-pathname))))
-  (when (probe-file quicklisp-init)
-    (load quicklisp-init)))
-
-;; OpenSSL linking requires pkg_config on NixOS.
-(ql:quickload "inferior-shell")
-
-(defun pkg-config-lib-path (lib)
-  "Look up the location of a library using pkg-config."
-  (let ((flag (inferior-shell:run `("pkg-config" "--libs-only-L" ,lib)
-                                  :output '(:string :stripped t))))
-    (concatenate 'string (subseq flag 2) "/")))
-
-(pushnew (pathname (pkg-config-lib-path "openssl"))
-         cffi:*foreign-library-directories*
-         :test #'equal)
-
-;; cl-prevalence is not in the current Quicklisp -> Nix snapshot
-(ql:quickload "cl-prevalence")
-
 (asdf:operate 'asdf:program-op :gemma)