Removed not allowed SVG image from changelog

The "vsce" (1) doesn't allow to use SVG images in the README or
CHANGELOG, therefore the SVG image used in the section of version 0.7.0
has been removed.

References:
  (1) https://github.com/Microsoft/vscode-vsce

Fixes GH-111

Author: arcticicestudio

CHANGELOG.md

@@ -118,8 +118,6 @@ All currently implemented Gulp tasks have therefore been migrated to npm scripts
 **Arctic Ice Studio remark-lint rule preset** — #74 ⇄ #88 (⊶ 02721f01)
 ↠ The default rule set coming with [remark-lint][gh-remark-lint] has been replaced with [Arctic Ice Studio's custom rule preset][npm-remark-preset-lint-arcticicestudio] that adheres to the [Arctic Ice Studio Markdown code style][gh-arcticicestudio/styleguide-markdown].
 
-<p align="center"><img src="https://raw.githubusercontent.com/remarkjs/remark-lint/02295bc/logo.svg?sanitize=true" /></p>
-
 ## Bug Fixes
 
 ### Documentation