refactor: remove signin step and related buttons from signup process

src/routes/(components)/signup.svelte

@@ -34,11 +34,6 @@
       showback: false,
     },
     SIGNIN: {
-      name: "Signin",
-      progress: 50,
-      showback: true,
-    },
-    SIGNIN_BARCODE: {
       name: "Signin with Barcode",
       progress: 100,
       showback: false,
@@ -72,7 +67,9 @@
         <Card.Description
           >Let me guide you through the signup process.</Card.Description
         >
-        <Progress value={currentStep.progress} />
+        {#if currentStep.name !== Steps.WELCOME.name}
+          <Progress value={currentStep.progress} />
+        {/if}
       </Card.Header>
       <Card.Content class="grid gap-4">
         {#if currentStep.name == Steps.WELCOME.name}
@@ -188,28 +185,9 @@
             tell them your name.<br />
             You can scan this qr code to login to our selfservice.
             <!-- TODO: generate actual qr code -->
-            <img src={sampleQR} alt="" />
+            <img class="mx-auto h-56" src={sampleQR} alt="" />
           </p>
         {:else if currentStep.name == Steps.SIGNIN.name}
-          <div class="grid gap-2">
-            <Button
-              autofocus
-              class="w-full"
-              on:click={() => {
-                currentStep = Steps.SIGNIN_BARCODE;
-              }}>I brought my Barcode</Button
-            >
-          </div>
-          <div class="grid gap-2">
-            <Button
-              variant="secondary"
-              class="w-full"
-              on:click={() => {
-                currentStep = Steps.SIGNIN_MAIL;
-              }}>I don't have my barcode with me</Button
-            >
-          </div>
-        {:else if currentStep.name == Steps.SIGNIN_BARCODE.name}
           Just walk up to the next available person and show them your barcode.
         {:else if currentStep.name == Steps.SIGNIN_MAIL.name}
           <div class="grid gap-2">
@@ -238,7 +216,7 @@
           and tell them your name.
         {/if}
       </Card.Content>
-      <Card.Footer class="grid gap-4">
+      <Card.Footer class="grid gap-2">
         {#if currentStep.showback}
           <Button
             variant="destructive"
@@ -257,9 +235,6 @@
                 case Steps.SIGNIN.name:
                   currentStep = Steps.WELCOME;
                   break;
-                case Steps.SIGNIN_BARCODE.name:
-                  currentStep = Steps.SIGNIN;
-                  break;
                 case Steps.SIGNIN_MAIL.name:
                   currentStep = Steps.SIGNIN;
                   break;

src/routes/+layout.svelte

@@ -18,7 +18,7 @@
 	  <div class="container flex items-center justify-between py-2">
 		<h1 class="text-xl font-bold">Lauf für Kaya! Kiosk</h1>
 		<div class="flex items-center gap-2">
-		  <Button on:click={toggleMode} variant="outline" size="icon">
+		  <!-- <Button on:click={toggleMode} variant="outline" size="icon">
 			<Sun
 			  class="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0"
 			/>
@@ -26,7 +26,7 @@
 			  class="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100"
 			/>
 			<span class="sr-only">Toggle theme</span>
-		  </Button>
+		  </Button> -->
 		  <Button
 			variant="outline"
 			size="icon"