Change 'Clear' button string to 'Reset'

Inherit changed from Bitcoin:

bitcoin/bitcoin@9155241

Author: barton2526

src/qt/forms/rpcconsole.ui

@@ -484,7 +484,7 @@
            <item>
             <widget class="QPushButton" name="btnClearTrafficGraph">
              <property name="text">
-              <string>&amp;Clear</string>
+              <string>&amp;Reset</string>
              </property>
             </widget>
            </item>