cleanup!: remove deprecated settings & add todo comments

[erisu]

Motivation, Context & Description

Added Todo Comment setSaveFormData

Remove this setting once Cordova drops support for API Level 26.

This method was deprecated in API level 26.
In Android O and afterwards, this function does not have any effect, the form data will be saved to platform's autofill service if applicable.

Remove setSavePassword

This method was deprecated in API level 18.
Saving passwords in WebView will not be supported in future versions.

Remove setDatabasePath

This method was deprecated in API level 19.
Database paths are managed by the implementation and calling this method will have no effect.

Added Todo Comment: setGeolocationDatabasePath

Remove this setting once Cordova drops support for API Level 24.

This method was deprecated in API level 24.
Geolocation database are managed by the implementation and calling this method will have no effect.

Testing

• npm t

Checklist

• I've run the tests to see all new and existing tests pass

[codecov-commenter]

Codecov Report

Merging #1274 (3135bf1) into master (3e870e3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1274   +/-   ##
=======================================
  Coverage   73.26%   73.26%           
=======================================
  Files          21       21           
  Lines        1646     1646           
=======================================
  Hits         1206     1206           
  Misses        440      440           

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