Remove left offset on watermark - no longer needed with image tag.

assets/src/scripts/components/hydrograph/index.js

@@ -239,7 +239,7 @@ const watermark = function (elem) {
         .attr('href', STATIC_URL + '/img/USGS_green_logo.svg')
         .call(link(function(elem, layout) {
             const transformStringSmallScreen = `matrix(0.5, 0, 0, 0.5, ${(layout.width - layout.margin.left) * .025
-                    + layout.margin.left - 50}, ${layout.height * .60})`;
+                    + layout.margin.left}, ${layout.height * .60})`;
             const transformStringForAllOtherScreens = `matrix(1, 0, 0, 1, ${(layout.width - layout.margin.left) * .025
                     + layout.margin.left}, ${(layout.height * .75 - (-1 * layout.height + 503) * .12)})`;
             if (!mediaQuery(USWDS_SMALL_SCREEN)) {