remove unused log icon

settings/img/log Icon License

-CC BY 3.0
-http://thenounproject.com/en-us/noun/printer/#icon-No109
\ No newline at end of file

settings/img/log.svg

-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 100 100" xml:space="preserve" height="16px" viewBox="0 0 100 100" width="16px" version="1.1" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/"><g fill="#4d4d4d">
-<rect height="19" width="4" y="45" x="75"/>
-<polygon points="21 0 21 19 25 19 25 4 75 4 75 19 79 19 79 0"/>
-<polygon points="75 45 75 96 44 96 44 77 25 77 25 45 21 45 21 80 41 100 79 100 79 45"/>
-<rect height="3" width="38" y="45" x="31"/>
-<rect height="3" width="38" y="56" x="31"/>
-<rect height="3" width="38" y="67" x="31"/>
-<path d="m0 21v48h19v-10h-9v-28h80v28h-9v10h19v-48h-100zm97 7h-4v-4h4v4z"/>
-</g></svg>