Remove sass dependency

app/assets/stylesheets/pdfjs_viewer/full.css

@@ -0,0 +1,6 @@
+#pdfjs_viewer-full .openFile {
+  display: none;
+}
+#pdfjs_viewer-full .bookmark {
+  display: none;
+}

app/assets/stylesheets/pdfjs_viewer/minimal.css

@@ -0,0 +1,41 @@
+#pdfjs_viewer-minimal div.toolbar {
+  display: none;
+}
+#pdfjs_viewer-minimal #scaleSelectContainer {
+  display: none;
+}
+#pdfjs_viewer-minimal #secondaryToolbarToggle {
+  display: none;
+}
+#pdfjs_viewer-minimal #toolbarViewerLeft {
+  display: none;
+}
+#pdfjs_viewer-minimal #toolbarViewerRight {
+  display: none;
+}
+#pdfjs_viewer-minimal #viewFind {
+  display: none;
+}
+#pdfjs_viewer-minimal #viewAttachments {
+  display: none;
+}
+#pdfjs_viewer-minimal .openFile {
+  display: none;
+}
+#pdfjs_viewer-minimal .download {
+  display: none;
+}
+#pdfjs_viewer-minimal .bookmark {
+  display: none;
+}
+#pdfjs_viewer-minimal .secondaryToolbar {
+  display: none;
+}
+#pdfjs_viewer-minimal #viewerContainer, #pdfjs_viewer-minimal #mainContainer {
+  background-color: white;
+  top: 0px;
+}
+#pdfjs_viewer-minimal #toolbarContainer {
+  border-top-left-radius: 5px;
+  border-top-right-radius: 5px;
+}

app/assets/stylesheets/pdfjs_viewer/reduced.css

@@ -0,0 +1,24 @@
+#pdfjs_viewer-reduced .openFile {
+  display: none;
+}
+#pdfjs_viewer-reduced .bookmark {
+  display: none;
+}
+#pdfjs_viewer-reduced #viewThumbnail {
+  display: none;
+}
+#pdfjs_viewer-reduced #viewOutline {
+  display: none;
+}
+#pdfjs_viewer-reduced #viewAttachments {
+  display: none;
+}
+#pdfjs_viewer-reduced #download {
+  display: none;
+}
+#pdfjs_viewer-reduced #secondaryToolbarToggle {
+  display: none;
+}
+#pdfjs_viewer-reduced #toolbarViewerRight div.verticalToolbarSeparator {
+  display: none;
+}

pdfjs_viewer-rails.gemspec

@@ -18,7 +18,6 @@ Gem::Specification.new do |s|
   s.test_files = Dir["test/**/*"]
 
   s.add_dependency "rails", "> 4.2.0"
-  s.add_dependency "sassc-rails", ">= 2.1"
   s.add_dependency "json", "> 1.8.4"
 
   s.add_development_dependency "sqlite3"