Revert "Add Shelly EM1 (#31992)"

This reverts commit 1a058fd933.

templates/definition/meter/shelly-em1-modbus.yaml

@@ -1,44 +0,0 @@
-template: shelly-em1-modbus
-products:
-  - { brand: Shelly, description: { generic: EM1-based (Modbus) } }
-group: switchsockets
-requirements:
-  description:
-    de: |
-      Shelly EM1-basierte Geräte für einphasige Messungen.
-    en: |
-      Shelly EM1-based devices for single phase measurements.
-params:
-  - name: usage
-    choice: ["grid", "pv", "charge"]
-  - name: modbus
-    choice: ["tcpip"]
-    id: 1
-  - name: channel
-    default: 0
-render: |
-  type: custom
-  power:
-    source: modbus
-    {{- include "modbus" . | indent 2 }}
-    register:
-      address: {{ $addr := add 2007 ( mul 20 .channel ) }}{{ $addr }} # Active Power (W)
-      type: input
-      decode: float32s
-    scale: 1
-  energy:
-    source: modbus
-    {{- include "modbus" . | indent 2 }}
-    register:
-      address: {{ $addr := add 2310 ( mul 20 .channel ) }}{{ $addr }} # Total Active Energy (Wh)
-      type: input
-      decode: float32s
-    scale: 0.001
-  returnenergy:
-    source: modbus
-    {{- include "modbus" . | indent 2 }}
-    register:
-      address: {{ $addr := add 2312 ( mul 20 .channel ) }}{{ $addr }} # Total Active Returned Energy (Wh)
-      type: input
-      decode: float32s
-    scale: 0.001