Remove timeseries from postgreSQL database

This functionality has not been used and shoudl thus be removed. In addition,
it simplifies an upcoming implementation of postgreSQL database as part of
tests.

Author: aeshub

backend/api/Controllers/TimeseriesController.cs

@@ -33,13 +33,6 @@ public FlotillaDbContext(DbContextOptions options)
         public DbSet<UserInfo> UserInfos => Set<UserInfo>();
         public DbSet<TagInspectionMetadata> TagInspectionMetadata => Set<TagInspectionMetadata>();
 
-        // Timeseries:
-        public DbSet<RobotPressureTimeseries> RobotPressureTimeseries =>
-            Set<RobotPressureTimeseries>();
-        public DbSet<RobotBatteryTimeseries> RobotBatteryTimeseries =>
-            Set<RobotBatteryTimeseries>();
-        public DbSet<RobotPoseTimeseries> RobotPoseTimeseries => Set<RobotPoseTimeseries>();
-
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
             bool isSqlLite = Database.ProviderName == "Microsoft.EntityFrameworkCore.Sqlite";

backend/api/Database/Context/FlotillaDbContext.cs

@@ -11,11 +11,6 @@ public partial class ResetStructure : Migration
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            // MANUALLY ADDED:
-            // Adding timescale extension to the database
-            migrationBuilder.Sql("CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE;");
-            //
-
             migrationBuilder.CreateTable(
                 name: "DefaultLocalizationPoses",
                 columns: table => new
@@ -70,19 +65,6 @@ protected override void Up(MigrationBuilder migrationBuilder)
                     table.PrimaryKey("PK_Installations", x => x.Id);
                 });
 
-            migrationBuilder.CreateTable(
-                name: "RobotBatteryTimeseries",
-                columns: table => new
-                {
-                    BatteryLevel = table.Column<float>(type: "real", nullable: false),
-                    Time = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                    RobotId = table.Column<string>(type: "text", nullable: false),
-                    MissionId = table.Column<string>(type: "text", nullable: true)
-                },
-                constraints: table =>
-                {
-                });
-
             migrationBuilder.CreateTable(
                 name: "RobotModels",
                 columns: table => new
@@ -100,38 +82,6 @@ protected override void Up(MigrationBuilder migrationBuilder)
                     table.PrimaryKey("PK_RobotModels", x => x.Id);
                 });
 
-            migrationBuilder.CreateTable(
-                name: "RobotPoseTimeseries",
-                columns: table => new
-                {
-                    PositionX = table.Column<float>(type: "real", nullable: false),
-                    PositionY = table.Column<float>(type: "real", nullable: false),
-                    PositionZ = table.Column<float>(type: "real", nullable: false),
-                    OrientationX = table.Column<float>(type: "real", nullable: false),
-                    OrientationY = table.Column<float>(type: "real", nullable: false),
-                    OrientationZ = table.Column<float>(type: "real", nullable: false),
-                    OrientationW = table.Column<float>(type: "real", nullable: false),
-                    Time = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                    RobotId = table.Column<string>(type: "text", nullable: false),
-                    MissionId = table.Column<string>(type: "text", nullable: true)
-                },
-                constraints: table =>
-                {
-                });
-
-            migrationBuilder.CreateTable(
-                name: "RobotPressureTimeseries",
-                columns: table => new
-                {
-                    Pressure = table.Column<float>(type: "real", nullable: false),
-                    Time = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
-                    RobotId = table.Column<string>(type: "text", nullable: false),
-                    MissionId = table.Column<string>(type: "text", nullable: true)
-                },
-                constraints: table =>
-                {
-                });
-
             migrationBuilder.CreateTable(
                 name: "Sources",
                 columns: table => new