fix: remove carbon specific homepage styles

packages/gatsby-theme-carbon/src/components/Homepage/homepage.scss

@@ -50,23 +50,10 @@
   margin-top: -25%;
 }
 
-// Dots background pattern
-
-.homepage--dots {
-  position: absolute;
-  z-index: 1;
-  width: 100%;
-  height: 100%;
-  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 16 16' style='enable-background:new 0 0 16 16;' xml:space='preserve'%3e%3crect width='16' fill='none' height='16'/%3e%3crect x='0' y='0' fill='white' width='1' height='1'/%3e%3c/svg%3e");
-  background-size: 16px;
-  opacity: 0.25;
-}
-
-// Needed for dots to appear below content
-
 .container--homepage .#{$prefix}--grid {
   margin: 0;
-  max-width: 100%;
+  //max-width: 100%;
+
   @include carbon--breakpoint('lg') {
     padding-left: calc(
       25% + 2rem