Remove PlatformMgrImpl().InitLwIPCoreLock() from wifi-echo.cpp (#1357)
Remove PlatformMgrImpl().InitLwIPCoreLock() from wifi-echo.cpp (#1357)


nestlabs/connectedhomeip,nestlabs/connectedhomeip,nestlabs/connectedhomeip,nestlabs/connectedhomeip,project-chip/connectedhomeip,nestlabs/connectedhomeip,project-chip/connectedhomeip,nestlabs/connectedhomeip,project-chip/connectedhomeip,project-chip/connectedhomeip,nestlabs/connectedhomeip,project-chip/connectedhomeip,project-chip/connectedhomeip