Remove unnecessary white-space before css import

Author: Ovenoboyo

_includes/head.html

@@ -3,8 +3,8 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   {%- seo -%}
-  <link rel="stylesheet" href="{{ " /assets/main.css" | relative_url }}"> {%- feed_meta -%} {%- if jekyll.environment ==
+  <link rel="stylesheet" href="{{ "/assets/main.css" | relative_url }}"> {%- feed_meta -%} {%- if jekyll.environment ==
   'production' and
   site.google_analytics -%} {%- include google-analytics.html -%} {%- endif -%}
   {%- include custom-head.html -%}
-</head>
+</head>