Modify tour WebPart.webpart file and add the followng porperties to hide the title and set the chrome type to none. More information about this on http://www.c-sharpcorner.com/UploadFile/dhananjaycoder/removingwebparttitleinsharepointabcef09162009055344AM/removingwebparttitleinsharepointabcef.aspx

<?xml version=”1.0″ encoding=”utf-8″?>
<webParts>
  <webPart xmlns=”http://schemas.microsoft.com/WebPart/v3″>
    <metaData>
      <!–
      The following Guid is used as a reference to the web part class,
      and it will be automatically replaced with actual type name at deployment time.
      –>
      <type name=”7447c788-1380-40cc-8134-5e40555dd9b0″ />
      <importErrorMessage>Cannot import WebPart1 Web Part.</importErrorMessage>
    </metaData>
    <data>
      <properties>
        <!–<property name=”Title” type=”string”>WebPart1 Web Part</property>
        <property name=”Description” type=”string”>WebPart1 Description</property>–>
        <property name=”ChromeState” type=”chromestate”>Normal</property>
        <property name=”ChromeType” type=”chrometype”>None</property>
      </properties>
    </data>
  </webPart>
</webParts>