new icon: scikitlearn (original, plain, line) (#1616)

* Add icons for scikit-learn (python library)

* Remove unofficial non-wordmark versions

* Optmize icons

* Update devicon.json

Add "tool" in tags

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

* Remove redundant whitespace

Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>

* Add "library" tag

* Rename icons

* Optimize icons

* Update devicon.json to add aliases

* Remove wordmark from regular versions

* Add newline to optimized icons

---------

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>
Co-authored-by: Jørgen Kalsnes Hagen <43886029+Snailedlt@users.noreply.github.com>

Author: 3 people

devicon.json

@@ -8053,6 +8053,46 @@
         "color": "#173aee",
         "aliases": []
     },
+    {
+        "name": "scikitlearn",
+        "altnames": [
+            "scikit-learn",
+            "scikit",
+            "sklearn"
+        ],
+        "tags": [
+            "machine-learning",
+            "python",
+            "tool",
+            "library"
+        ],
+        "versions": {
+            "svg": [
+                "original",
+                "plain",
+                "line"
+            ],
+            "font": [
+                "plain",
+                "line"
+            ]
+        },
+        "color": "#f89939",
+        "aliases": [
+            {
+                "base": "original",
+                "alias": "original-wordmark"
+            },
+            {
+                "base": "plain",
+                "alias": "plain-wordmark"
+            },
+            {
+                "base": "line",
+                "alias": "line-wordmark"
+            }
+        ]
+    },
     {
         "name": "sdl",
         "altnames": [