Rename phosh session to librem5
The session is not specific and phosh can e.g. run without the OSK so 'librem5' is more correct. We should move the session to the librem5-themes package (and clean the name up) while at that.
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The session is not specific and phosh can e.g. run without the OSK so 'librem5' is more correct. We should move the session to the librem5-themes package (and clean the name up) while at that.