[Improve][Modularization][Module_Wifi]

2020.12.19 / Folus Wen

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1. Module_Wifi.c remove unuse function code.

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1. As follow commit history

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EVSE/Modularization/Module_Wifi.c

@@ -238,7 +238,6 @@ int isFindInterface();
 int getInterfaceInfo();
 int isReachableInternet();
 int getLinkQuality();
-char* getTimeString(void);
 int setWPAconf();
 int restartWPA();
 void refreshUSB();
@@ -4216,19 +4215,6 @@ int tcpSocketServerStart(void)
 //==========================================
 // Common routine
 //==========================================
-char* getTimeString(void)
-{
-	char *result=malloc(21);
-	time_t timep;
-	struct tm *p;
-	time(&timep);
-	p=gmtime(&timep);
-
-	sprintf(result, "[%04d-%02d-%02d %02d:%02d:%02d]", (1900+p->tm_year), (1+p->tm_mon), p->tm_mday, p->tm_hour, p->tm_hour, p->tm_sec);
-
-	return result;
-}
-
 void trim(char *s)
 {
     int i=0, j, k, l=0;