Removed instruction to checkout the swig branch in READMEs

Signed-off-by: George Nash <george.nash@intel.com>
4 jobs for 152-bz1968-add-sample-app-for-rules-2 in 6 minutes and 34 seconds (queued for 2 seconds)
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Android_build

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Linux_Secured_Test

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whitespace_and_doxygen

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