update icon: c (original)

Remove unnecessary (and mangled) line version of C logo

Author: Jorenar

devicon.json

@@ -1666,12 +1666,10 @@
         ],
         "versions": {
             "svg": [
-                "original",
-                "line"
+                "original"
             ],
             "font": [
-                "original",
-                "line"
+                "original"
             ]
         },
         "color": "#a9bacd",
@@ -1689,7 +1687,11 @@
                 "alias": "plain-wordmark"
             },
             {
-                "base": "line",
+                "base": "original",
+                "alias": "line"
+            },
+            {
+                "base": "original",
                 "alias": "line-wordmark"
             }
         ]