Pharma- Fix Coag PR 575 (#576)

**When merged this pull request will:**
-  remove a little snaggle of code I forgot to remove

### IMPORTANT

- [Development Guidelines](https://ace3.acemod.org/wiki/development/)
are read, understood and applied.
- Title of this PR uses our standard template `Component -
Add|Fix|Improve|Change|Make|Remove {changes}`.

addons/surgery/ACE_Medical_Treatment.hpp

@@ -248,7 +248,6 @@ class ACE_Medical_Treatment {
             };
             class AbrasionMinor: Abrasion {
                 effectiveness = 2;
-                reopeningChance = 0;
             };
             class AvulsionMinor: AbrasionMinor {
                 effectiveness = 1;