Remove text-shadow from header

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/main/mixins.scss

@@ -52,7 +52,6 @@
 
 @mixin header-font {
   color: $style_color;
-  text-shadow: 0 1px 1px #FFF;
   font-size: 16px;
   line-height: 44px;
   font-weight: normal;

app/assets/stylesheets/sections/header.scss

@@ -14,7 +14,6 @@ header {
 
       .nav > li > a {
         color: $style_color;
-        text-shadow: 0 1px 0 #fff;
         font-size: 14px;
         line-height: 32px;
         padding: 6px 10px;
@@ -190,7 +189,6 @@ header {
 
         .nav > li > a {
           color: #AAA;
-          text-shadow: 0 1px 0 #444;
 
           &:hover, &:focus, &:active {
             background: none;
@@ -224,7 +222,6 @@ header {
           background: image-url('logo-white.png') no-repeat center center;
           background-size: 32px;
           color: #fff;
-          text-shadow: 0 1px 1px #444;
         }
       }
     }
@@ -236,7 +233,6 @@ header {
         }
       }
       color: #fff;
-      text-shadow: 0 1px 1px #444;
     }
   }
 

app/assets/stylesheets/themes/ui_modern.scss

@@ -29,7 +29,6 @@
         }
         .nav > li > a {
           color: #ADC;
-          text-shadow: none;
         }
         .search-input {
           border-color: #7fd5be;