Remove duplicate dark theme

Author: pepc84

assets/cppmode-theme.css

@@ -100,45 +100,3 @@
 .cm-s-cppmode-dark .cm-cppmode-k4  { color: #f48fb1; }
 .cm-s-cppmode-dark .cm-cppmode-f1  { color: #4fc3f7; }
 .cm-s-cppmode-dark .cm-cppmode-f2  { color: #4fc3f7; font-weight: bold; }
-
-/* ── Dark mode variant ─────────────────────────────────────────── */
-.cm-s-cppmode-dark.CodeMirror {
-  background: #1a1a2e;
-  color: #e0e0e0;
-  font-family: 'Source Code Pro', 'Consolas', monospace;
-}
-.cm-s-cppmode-dark .CodeMirror-gutters {
-  background: #16213e;
-  border-right: 1px solid #0f3460;
-  color: #555577;
-}
-.cm-s-cppmode-dark .CodeMirror-cursor { border-left: 2px solid #e8b400; }
-.cm-s-cppmode-dark .CodeMirror-selected { background: #0f3460; }
-.cm-s-cppmode-dark .CodeMirror-activeline-background { background: #16213e; }
-.cm-s-cppmode-dark .CodeMirror-matchingbracket { color: #fff !important; background: #1a4a2e; }
-.cm-s-cppmode-dark .cm-function2    { color: #4fc3f7; }
-.cm-s-cppmode-dark .cm-function4    { color: #4fc3f7; font-weight: bold; }
-.cm-s-cppmode-dark .cm-keyword      { color: #4db6ac; }
-.cm-s-cppmode-dark .cm-keyword1     { color: #4db6ac; }
-.cm-s-cppmode-dark .cm-keyword2     { color: #4db6ac; }
-.cm-s-cppmode-dark .cm-keyword6     { color: #4db6ac; }
-.cm-s-cppmode-dark .cm-keyword3     { color: #aed581; }
-.cm-s-cppmode-dark .cm-keyword4     { color: #f48fb1; }
-.cm-s-cppmode-dark .cm-keyword5     { color: #ffb74d; }
-.cm-s-cppmode-dark .cm-type         { color: #ffb74d; }
-.cm-s-cppmode-dark .cm-literal1     { color: #a5d6a7; }
-.cm-s-cppmode-dark .cm-literal2     { color: #ce93d8; }
-.cm-s-cppmode-dark .cm-string       { color: #a5d6a7; }
-.cm-s-cppmode-dark .cm-string-2     { color: #a5d6a7; }
-.cm-s-cppmode-dark .cm-number       { color: #e8b400; }
-.cm-s-cppmode-dark .cm-comment      { color: #607d8b; font-style: italic; }
-.cm-s-cppmode-dark .cm-preprocessor { color: #ffb74d; }
-.cm-s-cppmode-dark .cm-operator     { color: #4fc3f7; }
-.cm-s-cppmode-dark .cm-variable     { color: #e0e0e0; }
-.cm-s-cppmode-dark .cm-error        { color: #ef9a9a; font-weight: bold; }
-.cm-s-cppmode-dark .cm-cppmode-k5  { color: #ffb74d; }
-.cm-s-cppmode-dark .cm-cppmode-k6  { color: #4db6ac; }
-.cm-s-cppmode-dark .cm-cppmode-k3  { color: #aed581; }
-.cm-s-cppmode-dark .cm-cppmode-k4  { color: #f48fb1; }
-.cm-s-cppmode-dark .cm-cppmode-f1  { color: #4fc3f7; }
-.cm-s-cppmode-dark .cm-cppmode-f2  { color: #4fc3f7; font-weight: bold; }