Drop UC & QQ browsers, associated data/schema/lint (#7240)

This change drops all data for the UC and QQ browsers, as well as
removing them from the project JSON schema files and schema docs,
and from the test/linter/test-browsers.js and types.d.ts files.

See #7232
Related #7238

Author: sideshowbarker

api/HTMLInputElement.json

@@ -1087,9 +1087,6 @@
             "opera_android": {
               "version_added": "≤12.1"
             },
-            "qq_android": {
-              "version_added": null
-            },
             "safari": {
               "version_added": "6"
             },
@@ -1099,12 +1096,6 @@
             "samsunginternet_android": {
               "version_added": true
             },
-            "uc_android": {
-              "version_added": null
-            },
-            "uc_chinese_android": {
-              "version_added": null
-            },
             "webview_android": {
               "version_added": true
             }
@@ -1192,9 +1183,6 @@
             "opera_android": {
               "version_added": "14"
             },
-            "qq_android": {
-              "version_added": true
-            },
             "safari": {
               "version_added": "6.1"
             },
@@ -1204,12 +1192,6 @@
             "samsunginternet_android": {
               "version_added": "1.5"
             },
-            "uc_android": {
-              "version_added": true
-            },
-            "uc_chinese_android": {
-              "version_added": true
-            },
             "webview_android": {
               "version_added": true
             }
@@ -1249,9 +1231,6 @@
             "opera_android": {
               "version_added": "10.1"
             },
-            "qq_android": {
-              "version_added": null
-            },
             "safari": {
               "version_added": "3"
             },
@@ -1261,12 +1240,6 @@
             "samsunginternet_android": {
               "version_added": "1.0"
             },
-            "uc_android": {
-              "version_added": null
-            },
-            "uc_chinese_android": {
-              "version_added": null
-            },
             "webview_android": {
               "version_added": "1"
             }