Correctly open urls in browser on Android 11+

- Fix misconfiguration in manifest ('http|https|market' is not valid)
- Split ShareUtils functions taking a boolean parameter into pairs of functions with better names and less runtime checks
- Move all Kore-related functions to KoreUtils
- Remove the toast_no_player string

app/src/main/res/values/donottranslate.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="fdroid_vlc_url">https://f-droid.org/packages/org.videolan.vlc/</string>
     <string name="rss_button_title">RSS</string>
+    <string name="vlc_package">org.videolan.vlc</string>
     <string name="kore_package">org.xbmc.kore</string>
     <string name="peertube_instance_list_url">https://joinpeertube.org/instances#instances-list</string>
     <string name="notification_channel_id">newpipe</string>

app/src/main/res/values/strings.xml

@@ -345,7 +345,6 @@
     <string name="settings_file_replacement_character_title">Replacement character</string>
     <string name="charset_letters_and_digits">Letters and digits</string>
     <string name="charset_most_special_characters">Most special characters</string>
-    <string name="toast_no_player">No app installed to play this file</string>
     <!-- About -->
     <string name="title_activity_about">About NewPipe</string>
     <string name="title_licenses">Third-party Licenses</string>