Change RTM coil texture and mcmeta files (#2691)

Author: chemlzh

src/main/resources/assets/gtceu/textures/block/casings/coils/machine_coil_rtm_alloy.png

@@ -1,5 +1,5 @@
 {
     "ldlib": {
-        "connection": "gtceu:block/casings/coils/machine_coil_tungstensteel_ctm"
+        "connection": "gtceu:block/casings/coils/machine_coil_rtm_alloy_ctm"
     }
-}
+}

src/main/resources/assets/gtceu/textures/block/casings/coils/machine_coil_rtm_alloy.png.mcmeta

@@ -1,9 +1,9 @@
 {
     "ldlib": {
-        "connection": "gtceu:block/casings/coils/machine_coil_tungstensteel_bloom_ctm",
+        "connection": "gtceu:block/casings/coils/machine_coil_rtm_alloy_bloom_ctm",
         "emissive": true
     },
     "shimmer": {
         "bloom": true
     }
-}
+}