Remove submodules

As discussed in [1] these modules are very maker specific and their
removal allows for a much simpler install procedure.

[1]: dapphub#376 (comment)

Author: d-xo

.gitmodules

@@ -1,12 +0,0 @@
-[submodule "setzer"]
-	path = submodules/setzer
-	url = https://github.com/makerdao/setzer
-[submodule "dai-cli"]
-	path = submodules/dai-cli
-	url = https://github.com/makerdao/dai-cli
-[submodule "submodules/chief"]
-	path = submodules/chief
-	url = https://github.com/makerdao/chief
-[submodule "submodules/terra"]
-	path = submodules/terra
-	url = https://github.com/makerdao/terra

overlay.nix

@@ -127,11 +127,6 @@ in rec {
   evmdis = self.callPackage ./nix/evmdis.nix {};
 
   token = self.callPackage (import ./src/token) {};
-  dai = self.callPackage (import ./submodules/dai-cli) {};
-
-  setzer = self.callPackage (import ./submodules/setzer) {};
-  terra = self.callPackage (import ./submodules/terra) {};
-  chief = self.callPackage (import ./submodules/chief) {};
 
   # We use this to run private testnets without
   # the pesky transaction size limit.

release.nix

@@ -43,7 +43,6 @@ let
     inherit qrtx-term;
     inherit qrtx;
     inherit seth;
-    inherit setzer;
     inherit token;
 
     hevm-compliance = hevmCompliance dist;