[Build] Remove snapshot suffix

Closes sprint Heinlein,
https://github.com/nasa/openmct/milestones/Heinlein

[Build] Remove SNAPSHOT status

...to tag end of release Gibson,
https://github.com/nasa/openmct/milestones/Gibson

[Build] Remove snapshot status

...to close sprint Ellison,
https://github.com/nasa/openmctweb/milestones/Ellison

[Build] Add npmignore to allow packing

Add .npmignore to facilitate packing of package with npm pack.

[Build] Bump version number to close release

[Build] Remove snapshot status

Remove snapshot status in preparation to bump version number
at end of sprint Banks.

[Build] Remove SNAPSHOT status

Remove SNAPSHOT status to tag end of sprint,
WTD-827.

[Search] Remove unused dependency

Remove unused dependency from generic search worker,
avoids WTD-1511.

[Build] Remove snapshot status

Remove snapshot status to close sprint titan,
WTD-824.