remove compilationRoot parameter, use typesRoot/config file location as a root when computing primary locations

src/compiler/commandLineParser.ts

@@ -321,6 +321,10 @@ namespace ts {
                 isFilePath: true
             }
         },
+        {
+            name: "typesRoot",
+            type: "string"
+        },
         {
             name: "traceResolution",
             type: "boolean",