go: remove ssl certs patches

Those are not needed since we now use a standard location to store our
bundles.

See bfebc7342e

pkgs/development/compilers/go/1.4.nix

@@ -84,7 +84,6 @@ stdenv.mkDerivation rec {
   '';
 
   patches = [
-    ./cacert-1.4.patch
     ./remove-tools-1.4.patch
   ];
 

pkgs/development/compilers/go/1.5.nix

@@ -89,7 +89,6 @@ stdenv.mkDerivation rec {
   '';
 
   patches = [
-    ./cacert-1.5.patch
     ./remove-tools-1.5.patch
   ]
   # -ldflags=-s is required to compile on Darwin, see

pkgs/development/compilers/go/cacert-1.4.patch

@@ -1,14 +0,0 @@
-Go comes with hardcoded cacert. We add the usual in NixOS,
-for easier NixOS life.
-
-diff -r 14854533dcc7 src/crypto/x509/root_unix.go
---- a/src/crypto/x509/root_unix.go	Thu Dec 11 11:27:56 2014 +1100
-+++ b/src/crypto/x509/root_unix.go	Tue Jan 06 00:41:31 2015 -0600
-@@ -17,6 +17,7 @@
- 	"/usr/local/share/certs/ca-root-nss.crt", // FreeBSD/DragonFly
- 	"/etc/pki/tls/cacert.pem",                // OpenELEC
- 	"/etc/certs/ca-certificates.crt",         // Solaris 11.2+
-+	"/etc/ssl/certs/ca-bundle.crt",           // NixOS
- }
- 
- // Possible directories with certificate files; stop after successfully

pkgs/development/compilers/go/cacert-1.5.patch

@@ -1,8 +0,0 @@
---- a/src/crypto/x509/root_linux.go	2015-08-19 23:06:11.115133174 +0200
-+++ b/src/crypto/x509/root_linux.go	2015-08-19 23:07:04.238507161 +0200
-@@ -10,4 +10,5 @@
- 	"/etc/pki/tls/certs/ca-bundle.crt",   // Fedora/RHEL
- 	"/etc/ssl/ca-bundle.pem",             // OpenSUSE
- 	"/etc/pki/tls/cacert.pem",            // OpenELEC
-+	"/etc/ssl/certs/ca-bundle.crt",       // NixOS
- }