Removed install prefix

diff --git a/setup.cfg b/setup.cfg
index 2f5e543..c5cfe6b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,5 +4,3 @@
 # will need to generate wheels for each Python version that you support.
 universal=0
 
-[install]
-prefix: /usr