Refactor exporter creation functions

[MrAlias]

• Remove all InstallNewPipeline/NewExportPipeline functions from exporters. This resolves Exporter convenience functions do not set a service name by default #1979
• Rename all NewExporter functions to be just New. This removes the redundancy of the name and follows common Go naming patterns

[codecov]

Codecov Report

Merging #1985 (437a168) into main (87cc1e1) will increase coverage by 0.0%.
The diff coverage is 14.2%.

@@          Coverage Diff          @@
##            main   #1985   +/-   ##
=====================================
  Coverage   77.1%   77.2%           
=====================================
  Files        161     161           
  Lines       8593    8495   -98     
=====================================
- Hits        6631    6563   -68     
+ Misses      1701    1679   -22     
+ Partials     261     253    -8     

Impacted Files	Coverage Δ
exporters/metric/prometheus/prometheus.go	64.2% <ø> (-0.6%)	⬇️
exporters/otlp/otlptrace/exporter.go	0.0% <0.0%> (-46.6%)	⬇️
...rs/otlp/otlptrace/internal/otlptracetest/client.go	0.0% <0.0%> (ø)
exporters/otlp/otlptrace/otlptracegrpc/exporter.go	0.0% <0.0%> (ø)
exporters/otlp/otlptrace/otlptracehttp/exporter.go	0.0% <0.0%> (ø)
exporters/stdout/exporter.go	71.4% <ø> (+54.1%)	⬆️
exporters/trace/jaeger/jaeger.go	94.2% <ø> (-0.4%)	⬇️
exporters/trace/zipkin/zipkin.go	70.1% <ø> (-3.0%)	⬇️
sdk/metric/processor/processortest/test.go	89.7% <ø> (ø)
exporters/otlp/otlp.go	90.9% <100.0%> (+6.9%)	⬆️
... and 2 more