Deprecate unreferenced config.xml.crx and config.xml.wgt

They are current being used ONLY by
- doc/Web_Test_Suite_Developer_Guide.md
- doc/Web_Runtime_Crosswalk_Test_Suite_Developer_Guide.md
- doc/Web_Test_Suite_SIMD_Developer_Guide.md
- doc/Cordova_Test_Suite_Developer_Guide.md
which shall be updated.

Historically, the config.xml.crx was used to package test suites for
Chrome/Chromium extensions as CRX Package Format. It hasn't been used
for a long time.

The config.xml.wgt was used to package test suites for Tizen platforms.
It duplicates the default config.xml
[master][wrt/behavior][XWALK-3114] Update 3 webapp

install/uninstall/launch the 3 webapp is ok
Merge pull request #1444 from linshen/shenlin/fix-sandbox

[behavior]Update 3 webapp
Merge pull request #1440 from zqzhang/config-cleanup

Deprecate unreferenced config.xml.crx and config.xml.wgt
[stability] Update tests*xml files and one case

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Android
Android test result summary: Pass 1, Fail 0, Block 0
Merge pull request #1447 from ibelem/stability/iterative

[stability] Update tests*xml files and one case
[XWALK-3131] Update inst.py for copying resource to correct directory

Signed-off-by: yunfeix.hao <yunfeix.hao@intel.com>
Merge pull request #1448 from haoyunfeix/yunfei/Update-install-script-to-copy-resource

[XWALK-3131] Update inst.py for copying resource to correct directory