Segment name for ledmap names

index.js:
- add ledmapFileNames array and fill with lm.segmentname.json names
- use name in dropdowns and in loadmap

fcn_declare and util.cpp: move enumerateLedmaps to FX.h and FX_fcn.cpp
FX_fcn.cpp: deserializemap: use segment name lednames

wled00/util.cpp

@@ -505,15 +505,7 @@ um_data_t* simulateSound(uint8_t simulationId)
 }
 
 
-void enumerateLedmaps() {
-  ledMaps = 1;
-  for (size_t i=1; i<10; i++) {
-    char fileName[16];
-    sprintf_P(fileName, PSTR("/ledmap%d.json"), i);
-    bool isFile = WLED_FS.exists(fileName);
-    if (isFile) ledMaps |= 1 << i;
-  }
-}
+//WLEDMM enumerateLedmaps moved to FX_fcn.cpp
 
 //WLEDMM netmindz ar palette
 CRGB getCRGBForBand(int x, uint8_t *fftResult, int pal) {