Remove some unneeded themes/languages

These are not supported by the version of CodeMirror hosted internally
at Google, and are also not currently used.

Change-Id: Ic91267b8e3a7b17f1dcd8f66c61c0cd08ede1703

gr-editor/gr-editor-styles.html

diff --git a/gr-editor/gr-editor-styles.html b/gr-editor/gr-editor-styles.html
index 5da80c7..8ff3242 100644
--- a/gr-editor/gr-editor-styles.html
+++ b/gr-editor/gr-editor-styles.html
@@ -18,7 +18,6 @@
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/lib/codemirror.css">
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/ambiance.css">
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/ambiance-mobile.css">
-  <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/material.css">
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/blackboard.css">
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/cobalt.css">
   <link rel="stylesheet" type="css" href="../bower_components/codemirror-minified/theme/eclipse.css">
@@ -39,4 +38,4 @@
   <template>
     <style></style>
   </template>
-</dom-module>
\ No newline at end of file
+</dom-module>

gr-editor/gr-editor.html

diff --git a/gr-editor/gr-editor.html b/gr-editor/gr-editor.html
index e476c51..739fa5b 100644
--- a/gr-editor/gr-editor.html
+++ b/gr-editor/gr-editor.html
@@ -33,21 +33,15 @@
   <script src="../bower_components/codemirror-minified/mode/python/python.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/ruby/ruby.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/php/php.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/pascal/pascal.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/sql/sql.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/clike/clike.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/xml/xml.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/javascript/javascript.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/css/css.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/vbscript/vbscript.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/htmlmixed/htmlmixed.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/apl/apl.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/asciiarmor/asciiarmor.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/markdown/markdown.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/clojure/clojure.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/cmake/cmake.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/dart/dart.js" ></script>
-  <script src="../bower_components/codemirror-minified/mode/fortran/fortran.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/haskell/haskell.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/sass/sass.js" ></script>
   <script src="../bower_components/codemirror-minified/mode/shell/shell.js" ></script>
@@ -59,4 +53,4 @@
   <script src="../bower_components/codemirror-minified/addon/fold/xml-fold.js" ></script>
   <script src="../bower_components/codemirror-minified/addon/fold/markdown-fold.js" ></script>
   <script src="./gr-editor.js"></script>
-</dom-module>
\ No newline at end of file
+</dom-module>