Remove support for optdepends.txt

doc/lua_api.txt

@@ -129,13 +129,6 @@ screenshot.png:
 description.txt:
   File containing desctiption to be shown within mainmenu.
 
-optdepends.txt:
-  An alternative way of specifying optional dependencies.
-  Like depends.txt, a single line contains a single modname.
-
-  NOTE: This file exists for compatibility purposes only and
-  support for it will be removed from the engine by the end of 2013.
-
 init.lua:
   The main Lua script. Running this script should register everything it
   wants to register. Subsequent execution depends on minetest calling the

src/mods.cpp

@@ -77,16 +77,6 @@ void parseModContents(ModSpec &spec)
 				}
 			}
 		}
-
-		// FIXME: optdepends.txt is deprecated
-		// remove this code at some point in the future
-		std::ifstream is2((spec.path+DIR_DELIM+"optdepends.txt").c_str());
-		while(is2.good()){
-			std::string dep;
-			std::set<char> symbols;
-			if(parseDependsLine(is2, dep, symbols))
-				spec.optdepends.insert(dep);
-		}
 	}
 }