Refine cppcheck analysis (#1133)

- Details link on github for cppcheck now goes straight to the report
- Removed umatched suppression from the cppcheck suppression file

.ci/static_analysis.groovy

@@ -29,7 +29,7 @@ def cppCheck(config) {
 				"grep -q \"<td>0</td><td>total</td>\" cppcheck-avr_cppcheck_reports/index.html || exit_code=\$?\n"+
 				"exit \$((exit_code == 0 ? 0 : 1))")
 	if (ret == 1) {
-		config.pr.setBuildStatus(config, 'ERROR', 'Toll gate (Code analysis - Cppcheck)', 'Issues found', '${BUILD_URL}CppCheck_AVR/index.html')
+		config.pr.setBuildStatus(config, 'ERROR', 'Toll gate (Code analysis - Cppcheck)', 'Issues found', '${BUILD_URL}CppCheck_20AVR/index.html')
 		error 'Terminating due to Cppcheck error'
 	} else {
 		config.pr.setBuildStatus(config, 'SUCCESS', 'Toll gate (Code analysis - Cppcheck)', 'Pass', '')

.mystools/cppcheck/config/suppressions.cfg

@@ -2,5 +2,3 @@ ConfigurationNotChecked
 unmatchedSuppression
 // This suppression is because the problem is in an in-lined macro so in-line-suppressions does not appear to take effect
 unreadVariable:*/MyHwNRF5.cpp
-uninitMemberVar:*/TinyGsmFifo.h
-