Remove the .git directory to reduce the size
Remove the .git directory to reduce the size

When packing cordova test suites, the .git direcotry of a cordova plugin
is offen include to the zip package. This may take a lot of disk space.
Remove the .git directory to reduce the size of cordova packages.

Related to: XWALK-5767

Honry/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,kangxu/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,chunywang/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,kangxu/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,Honry/crosswalk-test-suite,haoxli/crosswalk-test-suite,ibelem/crosswalk-test-suite,kangxu/crosswalk-test-suite,ibelem/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,ibelem/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,BruceDai/crosswalk-test-suite,ibelem/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,chunywang/crosswalk-test-suite,haoxli/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,haoxli/crosswalk-test-suite,chunywang/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,BruceDai/crosswalk-test-suite,chunywang/crosswalk-test-suite,yunxliu/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,ibelem/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,kangxu/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,yunxliu/crosswalk-test-suite,Honry/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,zqzhang/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,yhe39/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,yhe39/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,Honry/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,ibelem/crosswalk-test-suite,Honry/crosswalk-test-suite,zqzhang/crosswalk-test-suite,kangxu/crosswalk-test-suite,yunxliu/crosswalk-test-suite,yhe39/crosswalk-test-suite,yunxliu/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,haoxli/crosswalk-test-suite,BruceDai/crosswalk-test-suite,BruceDai/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,Honry/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,zqzhang/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,kangxu/crosswalk-test-suite,yhe39/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,yhe39/crosswalk-test-suite,zqzhang/crosswalk-test-suite,BruceDai/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,BruceDai/crosswalk-test-suite,Shao-Feng/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,haoxli/crosswalk-test-suite,yhe39/crosswalk-test-suite,chunywang/crosswalk-test-suite,zqzhang/crosswalk-test-suite,kangxu/crosswalk-test-suite,haoxli/crosswalk-test-suite,BruceDai/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,yhe39/crosswalk-test-suite,kangxu/crosswalk-test-suite,yunxliu/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,haoyunfeix/crosswalk-test-suite,ibelem/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,chunywang/crosswalk-test-suite,zqzhang/crosswalk-test-suite,yunxliu/crosswalk-test-suite,crosswalk-project/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,chunywang/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,yunxliu/crosswalk-test-suite,Honry/crosswalk-test-suite,yhe39/crosswalk-test-suite,ibelem/crosswalk-test-suite,yunxliu/crosswalk-test-suite,zqzhang/crosswalk-test-suite,haoxli/crosswalk-test-suite,BruceDai/crosswalk-test-suite,haoxli/crosswalk-test-suite,Honry/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,chunywang/crosswalk-test-suite,wanghongjuan/crosswalk-test-suite,kaixinjxq/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite,zqzhang/crosswalk-test-suite,zhuyongyong/crosswalk-test-suite