removed rect tags and the class, also renamed cls2 to 1

src/client/js/components/Attachment.jsx

@@ -8,12 +8,7 @@ const Attachment = () => (
     width="20"
     height="20"
   >
-    <rect
-      className="cls-1"
-      width="14"
-      height="14"
-    />
-    <g className="cls-2">
+    <g className="cls-1">
       <path
         d="M2.9,13a2,2,0,0,1-1.44-.63,2.28,2.28,0,0,1,0-3.23l7-7.38a2.48,2.48,0,0,1,1.22-.7,2.61,
         2.61,0,0,1,1.41.09A3.46,3.46,0,0,1,12.37,2a3.94,3.94,0,0,1,.36.45A2.61,2.61,0,0,1,13,3a3.41,3.41,

src/client/js/components/PageList.jsx

@@ -8,11 +8,6 @@ const PageList = () => (
     width="20"
     height="20"
   >
-    <rect
-      className="cls-1"
-      width="14"
-      height="14"
-    />
     <path d="M12.63,2.72H1.37a.54.54,0,0,1,0-1.08H12.63a.54.54,0,0,1,0,1.08Z" />
     <path d="M11.82,5.94H1.37a.55.55,0,0,1,0-1.09H11.82a.55.55,0,1,1,0,1.09Z" />
     <path d="M9.41,9.15h-8a.54.54,0,0,1,0-1.08h8a.54.54,0,0,1,0,1.08Z" />

src/client/js/components/RecentChanges.jsx

@@ -8,11 +8,6 @@ const RecentChanges = () => (
     width="20"
     height="20"
   >
-    <rect
-      className="cls-1"
-      width="14"
-      height="14"
-    />
     <path
       d="M7.94.94A6.13,6.13,0,0,0,1.89,7v.1L.67,5.89a.38.38,0,0,0-.55,0,.39.39,0,0,0,0,.56L2.36,8.69,4.6,6.45a.4.4,0,0,0,0-.56.39.39,0,0,0-.56,
       0L2.68,7.25V7A5.33,5.33,0,0,1,7.94,1.73,5.33,5.33,0,0,1,13.21,7a5.34,5.34,0,0,1-5.27,5.27H7.86A5,5,0,0,1,4,10.38a.4.4,0,0,0-.55-.07.4.4,0,

src/client/js/components/TimeLine.jsx

@@ -8,11 +8,6 @@ const TimeLine = () => (
     width="20"
     height="20"
   >
-    <rect
-      className="cls-1"
-      width="14"
-      height="14"
-    />
     <path
       d="M13.6,4.6a1.2,1.2,0,0,1-1.2,1.2,1,1,0,0,1-.3,0L10,7.89a1.1,1.1,0,0,1,0,.31,1.2,1.2,0,1,1-2.4,0,1.1,1.1,0,0,1,
       0-.31L6.11,6.36a1.3,1.3,0,0,1-.62,0L2.75,9.1a1,1,0,0,1,0,.3A1.2,1.2,0,1,1,1.6,8.2a1,1,0,0,1,.3,0L4.64,

src/client/styles/scss/_layout_growi.scss

@@ -18,9 +18,6 @@
       }
     }
     .cls-1 {
-      fill: none;
-    }
-    .cls-2 {
       isolation: isolate;
     }
   }