removed metadata

Removed some unnecessary creative commons metadata. Also removed parens from download_csv and download_xlsx in license notices, since the strings with parens no longer appear directly in the code.

README.md

@@ -25,7 +25,7 @@ Ben Tesch - [slugrustle](https://github.com/slugrustle)
 
 ## License
 
-voltage\_divider.html contains the functions download_csv() and download_xlsx(),
+voltage\_divider.html contains the functions download_csv and download_xlsx,
 which are modified from [this Stack Overflow post](https://stackoverflow.com/a/33542499)
 and are therefore distributed under the 
 [CC BY-SA 3.0 license](https://creativecommons.org/licenses/by-sa/3.0/).

voltage_divider.html

@@ -9,7 +9,7 @@
 Written in 2018 by Ben Tesch
 Distributed at https://github.com/slugrustle/voltage_divider
 
-voltage_divider.html contains the functions download_csv() and download_xlsx(),
+voltage_divider.html contains the functions download_csv and download_xlsx,
 both of which come from a Stack Overflow post
 https://stackoverflow.com/a/33542499
 by user Ludovic Feltz (on 2015-11-5), edited by user Smi (on 2016-08-12).
@@ -365,13 +365,8 @@
     </a>
   </div>
   <div style="max-width: 29em; display: inline-block; font-size: 11pt;">
-    To the extent possible under law,
-    <span resource="[_:publisher]" rel="dct:publisher">
-    <span property="dct:title">Ben Tesch</span></span>
-    has waived all copyright and related or neighboring rights to
-    <span property="dct:title">Voltage Divider Calculator</span>.
-    This work is published from:
-    <span property="vcard:Country" datatype="dct:ISO3166" content="US" about="[_:publisher]">United States</span>.
+    To the extent possible under law, Ben Tesch has waived all copyright and related or neighboring rights to
+    Voltage Divider Calculator. This work is published from: United States.
   </div>
 </div>