Remove 'field.keyword' from index

How do I remove 'field.keyword' from my index ? I should be able to see 'field' only

here is my GET _mapping output

 {
  "collectd-2020.06.29" : {
    "mappings" : {
      "doc" : {
        "properties" : {
          "@timestamp" : {
            "type" : "date"
          },
          "@version" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "CMD" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "ConnectionType" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "PID" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "PPID" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "TCPPort" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "collectd_type" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "free" : {
            "type" : "float"
          },
          "freepct" : {
            "type" : "long"
          },
          "host" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "longterm" : {
            "type" : "float"
          },
          "majflt" : {
            "type" : "long"
          },
          "midterm" : {
            "type" : "float"
          },
          "minflt" : {
            "type" : "long"
          },
          "plugin" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "plugin_instance" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "processes" : {
            "type" : "float"
          },
          "read" : {
            "type" : "long"
          },
          "rx" : {
            "type" : "long"
          },
          "shortterm" : {
            "type" : "float"
          },
          "syst" : {
            "type" : "long"
          },
          "threads" : {
            "type" : "float"
          },
          "total" : {
            "type" : "long"
          },
          "tx" : {
            "type" : "long"
          },
          "type" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "type_instance" : {
            "type" : "text",
            "fields" : {
              "keyword" : {
                "type" : "keyword",
                "ignore_above" : 256
              }
            }
          },
          "used" : {
            "type" : "float"
          },
          "usedpct" : {
            "type" : "long"
          },
          "user" : {
            "type" : "long"
          },
          "value" : {
            "type" : "float"
          },
          "write" : {
            "type" : "long"
          }
        }
      }
    }
  }
}

You need to create a new index for this