Remove manual instrumentation

[felixbarny]

No description provided.

[codecov-io]

Codecov Report

Merging #88 into master will increase coverage by 0.84%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master     #88      +/-   ##
===========================================
+ Coverage     75.75%   76.6%   +0.84%     
+ Complexity      850     842       -8     
===========================================
  Files            94      91       -3     
  Lines          3073    2996      -77     
  Branches        267     258       -9     
===========================================
- Hits           2328    2295      -33     
+ Misses          611     568      -43     
+ Partials        134     133       -1

Impacted Files	Coverage Δ	Complexity Δ
...ic/apm/opentracing/ExternalProcessSpanContext.java	100% <ø> (ø)	3 <0> (ø)	⬇️
.../co/elastic/apm/jdbc/StatementInstrumentation.java	87.5% <100%> (ø)	7 <0> (ø)	⬇️
...tic/apm/jdbc/PreparedStatementInstrumentation.java	82.35% <100%> (ø)	6 <0> (ø)	⬇️
.../src/main/java/co/elastic/apm/jdbc/JdbcHelper.java	66.66% <100%> (ø)	8 <2> (?)
.../elastic/apm/servlet/ServletTransactionHelper.java	78.48% <0%> (-6.33%)	21% <0%> (-3%)

---

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 2e620b0...001a3e6. Read the comment docs.