Tweak title on lock icon

src/images/icons/lock.svg

 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg width="48px" height="56px" viewBox="0 0 48 56" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
     <!-- Generator: Sketch 3.6.1 (26313) - http://www.bohemiancoding.com/sketch -->
-    <title>Group 4 Copy 3</title>
+    <title>Only me</title>
     <desc>Created with Sketch.</desc>
     <defs></defs>
     <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">