Remove maligned check from linter. (#159)

We should error on the side of readability in
code base so we don't need the maligned lint flag.
diff --git a/.golangci.yml b/.golangci.yml
index 18560b2..4467782 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -25,4 +25,3 @@
     - varcheck
     - lll
     - prealloc
-    - maligned