chore: remove unused CSS module classes and empty stylesheet

- Remove unused .privacyPolicyLink from enrolmentForm
- Remove unused .keywordRow, .isVirtualCheckbox,
  .neededOccurrencesRow from eventForm
- Remove unused .organizationLink from eventPreviewBasicInfo
- Remove unused .detailsArea from enrolmentDetails
- Remove unused .noOccurrencesCheckBox from occurrencesFormPart
- Delete empty eventPreviewPage.module.scss

Refs: PT-2015

Author: jorilindell

src/domain/enrolment/enrolmentForm/enrolmentForm.module.scss

@@ -40,11 +40,6 @@
     font-size: var(--fontsize-body-l);
   }
 
-  .privacyPolicyLink {
-    text-decoration: none;
-    color: var(--color-bus);
-  }
-
   .submitButtonWrapper {
     text-align: right;
   }

src/domain/event/eventForm/eventForm.module.scss

@@ -53,29 +53,6 @@
     }
   }
 
-  .keywordRow {
-    display: grid;
-    grid-gap: var(--grid-gap);
-
-    @include layout.respond-above(m) {
-      grid-template-columns: 3fr 1fr;
-    }
-  }
-
-  .isVirtualCheckbox {
-    margin-top: var(--spacing-s);
-  }
-
-  .neededOccurrencesRow {
-    display: grid;
-    grid-gap: var(--grid-gap);
-    margin-bottom: var(--spacing-m);
-
-    @include layout.respond-above(m) {
-      grid-template-columns: 1fr 3fr;
-    }
-  }
-
   .priceRow {
     display: grid;
     grid-gap: var(--grid-gap);

src/domain/event/eventPreviewBasicInfo/eventPreviewBasicInfo.module.scss

@@ -48,12 +48,6 @@
     margin-bottom: var(--spacing-s);
   }
 
-  .organizationLink {
-    display: block;
-    align-self: center;
-    text-decoration: none;
-  }
-
   .contactInfo {
     p {
       margin: 0;

src/domain/event/eventPreviewPage.module.scss

@@ -74,10 +74,6 @@
   padding-right: var(--spacing-2-xl);
 }
 
-.detailsArea {
-  display: table;
-}
-
 .spacingRow {
   td {
     padding-top: var(--spacing-xl);

src/domain/occurrence/enrolmentDetails/enrolmentDetails.module.scss

@@ -8,10 +8,6 @@
   }
 }
 
-.noOccurrencesCheckBox {
-  margin: var(--spacing-l) 0;
-}
-
 .occurrenceFormRow {
   --grid-gap: var(--spacing-s);
   --date-column-width: calc(170px + 100px + var(--grid-gap));