i2psnark: Remove hard-coded topnav image

apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java

@@ -314,8 +314,6 @@ public class I2PSnarkServlet extends BasicServlet {
             out.write("<div class=\"snarknavbar\"><a href=\"" + _contextPath + "/\" title=\"");
             out.write(_t("Torrents"));
             out.write("\" class=\"snarkRefresh\">");
-            out.write(toThemeImg("arrow_refresh"));
-            out.write("&nbsp;&nbsp;");
             if (_contextName.equals(DEFAULT_NAME))
                 out.write(_t("I2PSnark"));
             else
@@ -325,8 +323,6 @@ public class I2PSnarkServlet extends BasicServlet {
             out.write("<div class=\"snarknavbar\"><a href=\"" + _contextPath + '/' + peerString + "\" title=\"");
             out.write(_t("Refresh page"));
             out.write("\" class=\"snarkRefresh\">");
-            out.write(toThemeImg("arrow_refresh"));
-            out.write("&nbsp;&nbsp;");
             if (_contextName.equals(DEFAULT_NAME))
                 out.write(_t("I2PSnark"));
             else
@@ -2764,8 +2760,6 @@ public class I2PSnarkServlet extends BasicServlet {
             buf.append(" onload=\"setupbuttons()\"");
         buf.append(">\n<center><div class=\"snarknavbar\"><a href=\"").append(_contextPath).append("/\" title=\"Torrents\"");
         buf.append(" class=\"snarkRefresh\">");
-        toThemeImg(buf, "arrow_refresh");
-        buf.append("&nbsp;&nbsp;");
         if (_contextName.equals(DEFAULT_NAME))
             buf.append(_t("I2PSnark"));
         else