gitlab-workhorse: drop deterministic-build.patch

we already set VERSION in makeFlags below.

pkgs/applications/version-management/gitlab/gitlab-workhorse/default.nix

@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ git go ];
 
-  patches = [ ./remove-hardcoded-paths.patch ./deterministic-build.patch ];
+  patches = [ ./remove-hardcoded-paths.patch ];
 
   makeFlags = [ "PREFIX=$(out)" "VERSION=${version}" ];
 

pkgs/applications/version-management/gitlab/gitlab-workhorse/deterministic-build.patch

@@ -1,11 +0,0 @@
---- a/Makefile	2018-10-08 12:45:15.206269937 +0200
-+++ b/Makefile	2018-10-08 12:45:24.435366307 +0200
-@@ -6,7 +6,7 @@
- BIN_BUILD_DIR := $(TARGET_DIR)/bin
- PKG_BUILD_DIR := $(TARGET_DIR)/src/$(PKG)
- COVERAGE_DIR := $(TARGET_DIR)/cover
--VERSION := $(shell git describe)-$(shell date -u +%Y%m%d.%H%M%S)
-+VERSION := 6.1.1
- GOBUILD := go build -ldflags "-X main.Version=$(VERSION)"
- EXE_ALL := gitlab-zip-cat gitlab-zip-metadata gitlab-workhorse
- INSTALL := install