Removed mapThemrProps from props (#62)

Author: doejon

src/components/themr.js

@@ -294,6 +294,7 @@ function defaultMapThemrProps(ownProps, theme) {
     composeTheme,   //eslint-disable-line no-unused-vars
     innerRef,
     themeNamespace, //eslint-disable-line no-unused-vars
+    mapThemrProps,
     ...rest
   } = ownProps