Require the chisel3 compiler plugin (#2271)

As the chisel3 compiler plugin is now required, we can delete unused
code for reflective autoclonetype as well as the noPluginTests.

1 files changed, 0 insertions, 7 deletions

diff --git a/README.md b/README.md
index 8b33a576..66e27bd9 100644
--- a/README.md
+++ b/README.md
@@ -189,13 +189,6 @@ If the compilation succeeded and the dependencies noted above are installed, you
 sbt test
 ```
 
-If you would like to run the tests without the compiler plugin (less common), you can do so by first launching `sbt`,
-then running `noPluginTests / test`:
-```
-sbt
-> noPluginTests / test
-```
-
 ### Running Projects Against Local Chisel
 
 To use the development version of Chisel (`master` branch), you will need to build from source and `publishLocal`.