Merge pull request #29 from RagnarokResearchLab/remove-horizon-gitlab

Remove the dead ProjectHorizon submodule

Author: rdw-software

.gitmodules

@@ -130,9 +130,6 @@
 [submodule "Servers/horizon"]
 	path = Servers/horizon
 	url = https://github.com/rdw-forks/horizon.git
-[submodule "Servers/ProjectHorizon"]
-	path = Servers/ProjectHorizon
-	url = http://lab.projecthorizon.xyz/horizon/horizon.git
 [submodule "Tools/gr2-web"]
 	path = Tools/gr2-web
 	url = https://github.com/herenow/gr2-web.git