fix(tooltip+popover): Prevent leftover tooltip/popover divs

[tmorehouse]

Addresses issue #1208

[codecov-io]

Codecov Report

Merging #1221 into dev will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##              dev    #1221   +/-   ##
=======================================
  Coverage   32.87%   32.87%           
=======================================
  Files         109      109           
  Lines        2865     2865           
  Branches      919      919           
=======================================
  Hits          942      942           
  Misses       1546     1546           
  Partials      377      377

Impacted Files	Coverage Δ
lib/classes/tooltip.js	4.41% <0%> (ø)	⬆️

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