Remove options field from Jaeger exporter

[MrAlias]

The initialization options of the exporter are not used after the Exporter is created. Stop saving them in a field.

Part of #1803

[codecov]

Codecov Report

Merging #1808 (e7c4944) into main (6db20e0) will decrease coverage by 0.0%.
The diff coverage is 100.0%.

@@           Coverage Diff           @@
##            main   #1808     +/-   ##
=======================================
- Coverage   78.6%   78.6%   -0.1%     
=======================================
  Files        134     134             
  Lines       7159    7158      -1     
=======================================
- Hits        5633    5632      -1     
  Misses      1276    1276             
  Partials     250     250             

Impacted Files	Coverage Δ
exporters/trace/jaeger/jaeger.go	93.4% <100.0%> (-0.1%)	⬇️
sdk/trace/batch_span_processor.go	83.9% <0.0%> (ø)