Remove source-repository-package

Author: tchoutri

cabal.project

@@ -2,13 +2,3 @@ packages:
     servant-openapi3.cabal,
     example/example.cabal
 tests: true
-
-source-repository-package
-  type: git
-  location: https://github.com/haskell-servant/servant
-  tag: servant-0.20.3.0
-  subdir:
-    ./servant
-    ./servant-server
-    ./servant-client
-    ./servant-client-core