doc: fixed occurences of "the the"
I identified a number of files where it said "the the" in the comments of the source code and in general documentation texts. I replaced occurences with a single instance of "the".
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
doc