Remove unused ServicesTypes from Kontact plugin

src/kontactplugin/korganizer/journalplugin.json

@@ -97,9 +97,6 @@
         "Name[x-test]": "xxJournalxx",
         "Name[zh_CN]": "日记",
         "Name[zh_TW]": "日誌",
-        "ServiceTypes": [
-            "Kontact/Plugin"
-        ],
         "Version": "0.1",
         "Website": "https://kontact.kde.org/components/korganizer/"
     },

src/kontactplugin/korganizer/korganizerplugin.json.cmake

@@ -100,10 +100,6 @@
         "Name[x-test]": "xxCalendarxx",
         "Name[zh_CN]": "日历",
         "Name[zh_TW]": "行事曆",
-        "ServiceTypes": [
-            "Kontact/Plugin",
-            "KPluginInfo"
-        ],
         "Version": "0.1",
         "Website": "https://kontact.kde.org/components/korganizer/"
     },

src/kontactplugin/korganizer/todoplugin.json

@@ -96,9 +96,6 @@
         "Name[x-test]": "xxTo-do Listxx",
         "Name[zh_CN]": "待办事项列表",
         "Name[zh_TW]": "待辦事項清單",
-        "ServiceTypes": [
-            "Kontact/Plugin"
-        ],
         "Version": "0.1",
         "Website": "https://kontact.kde.org/components/korganizer/"
     },

src/kontactplugin/specialdates/specialdatesplugin.json

@@ -96,10 +96,6 @@
         "Name[x-test]": "xxSpecial Datesxx",
         "Name[zh_CN]": "特殊日期",
         "Name[zh_TW]": "特殊日期",
-        "ServiceTypes": [
-            "Kontact/Plugin",
-            "KPluginInfo"
-        ],
         "Version": "0.1"
     },
     "X-KDE-KontactPluginHasPart": false,