Port remove operator

[Mrod1598]

Description of Changes

Ported the remove operator from the decomposition of the restructure operator discussed here: OpenTelementry#68.

Please check that the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• Add a changelog entry (for non-trivial bug fixes / features)
• CI passes

[codecov]

Codecov Report

Merging #273 (112cf10) into master (37ab164) will decrease coverage by 0.10%.
The diff coverage is 58.82%.

@@            Coverage Diff             @@
##           master     #273      +/-   ##
==========================================
- Coverage   70.56%   70.46%   -0.10%     
==========================================
  Files         112      113       +1     
  Lines        5961     5978      +17     
==========================================
+ Hits         4206     4212       +6     
- Misses       1307     1319      +12     
+ Partials      448      447       -1     

Impacted Files	Coverage Δ
operator/builtin/transformer/remove/remove.go	58.82% <58.82%> (ø)
operator/builtin/output/otlp/otlp.go	61.73% <0.00%> (-3.70%)	⬇️
operator/builtin/output/newrelic/newrelic.go	71.03% <0.00%> (-0.93%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 37ab164...112cf10. Read the comment docs.

[djaglowski]

Log Files	Logs / Second	CPU Avg (%)	CPU Avg Δ (%)	Memory Avg (MB)	Memory Avg Δ (MB)
1	1000	1.7931558	-0.06893468	124.4608	+0.8573532
1	5000	6.172554	+0.13796473	131.77478	-0.713501
1	10000	12.965435	+0.6547613	140.22118	-1.6248627
1	50000	58.156055	-1.5015106	172.42296	-1.1283569
1	100000	115.92519	-3.9558487	238.09523	+15.527481
10	100	2.275932	-0.22413826	127.113686	-1.0043106
10	500	7.189973	+0.25876236	135.94046	-0.019134521
10	1000	13.17272	-0.5516777	142.15652	-1.5013428
10	5000	63.705906	-0.0023269653	185.62137	+0.25593567
10	10000	127.56461	+2.0475845	218.16446	-9.290817

[djaglowski]

Needs to be added to init_common.go

[djaglowski]

Log Files	Logs / Second	CPU Avg (%)	CPU Avg Δ (%)	Memory Avg (MB)	Memory Avg Δ (MB)
1	1000	1.5862378	+2.1457672e-05	125.86705	+4.2474365
1	5000	5.4309583	+0.34454632	135.4111	+1.9971771
1	10000	10.551889	+0.12052345	139.23007	-0.58309937
1	50000	54.726067	+6.121952	170.36598	-1.3950653
1	100000	98.89032	+2.3428574	236.99947	+1.6685181
10	100	2.0173075	-0.0861876	130.7236	+2.6064148
10	500	6.569235	+0.7587085	132.01845	-4.169861
10	1000	12.189819	-0.08625412	143.2267	+1.4093475
10	5000	52.794224	-6.261097	181.63309	+2.1955872
10	10000	109.867355	+0.41967773	219.50742	-11.746628