remove old patch group code (this code never did what it was supposed and was more of a PoC to test patching, a real implementation will need to be done in the future);

p25/dfsi/DFSIVoicePacket.cpp

@@ -306,12 +306,6 @@ bool DFSIVoicePacket::process(uint8_t* data, uint32_t len)
                     ::ActivityLog("P25", true, "RF %svoice transmission from %u to %s%u", encrypted ? "encrypted " : "", srcId, group ? "TG " : "", dstId);
 
                     if (m_p25->m_control) {
-                        if (group && (m_lastPatchGroup != dstId) &&
-                            (dstId != m_p25->m_trunk->m_patchSuperGroup)) {
-                            m_p25->m_trunk->writeRF_TSDU_Mot_Patch(dstId, 0U, 0U);
-                            m_lastPatchGroup = dstId;
-                        }
-
                         // if the group wasn't granted out -- explicitly grant the group
                         if (!m_p25->m_trunk->hasDstIdGranted(dstId)) {
                             if (m_p25->m_legacyGroupGrnt) {
@@ -994,14 +988,6 @@ void DFSIVoicePacket::writeNet_LDU1()
 
         ::ActivityLog("P25", false, "network %svoice transmission from %u to %s%u", m_netLC.getEncrypted() ? "encrypted " : "", srcId, group ? "TG " : "", dstId);
 
-        if (m_p25->m_control) {
-            if (group && (m_lastPatchGroup != dstId) &&
-                (dstId != m_p25->m_trunk->m_patchSuperGroup)) {
-                m_p25->m_trunk->writeRF_TSDU_Mot_Patch(dstId, 0U, 0U);
-                m_lastPatchGroup = dstId;
-            }
-        }
-
         // single-channel trunking or voice on control support?
         if (m_p25->m_control && m_p25->m_voiceOnControl) {
             m_p25->m_ccRunning = false; // otherwise the grant will be bundled with other packets