clean up btn selectors a bit

lib/patterns.less

@@ -315,6 +315,12 @@ footer {
     text-decoration: none;
   }
 
+  // Primary Button Type
+  &.primary {
+    color:#fff;
+    .gradientBar(@blue, @blueDark)
+  }
+
    // Transitions
   .transition(.1s linear all);
 
@@ -338,14 +344,6 @@ footer {
     .box-shadow(@shadow);
   }
 
-  // Primary Button Type
-  &.primary,
-  &.primary:hover {
-    color:#fff;
-    .gradientBar(@blue, @blueDark)
-  }
-
-
   // Button Sizes
   &.large {
     font-size: 16px;