Drop support for Nextcloud 17

Signed-off-by: ZetaTom <70907959+ZetaTom@users.noreply.github.com>

Author: ZetaTom

library/src/main/java/com/owncloud/android/lib/resources/status/OwnCloudVersion.java

@@ -20,7 +20,6 @@
 import androidx.annotation.NonNull;
 
 public class OwnCloudVersion implements Comparable<OwnCloudVersion>, Parcelable {
-    public static final OwnCloudVersion nextcloud_17 = new OwnCloudVersion(0x11000000); // 17.0
     public static final OwnCloudVersion nextcloud_18 = new OwnCloudVersion(0x12000000); // 18.0
     public static final OwnCloudVersion nextcloud_19 = new OwnCloudVersion(0x13000000); // 19.0
     public static final OwnCloudVersion nextcloud_20 = new OwnCloudVersion(0x14000000); // 20.0
@@ -115,14 +114,6 @@ static protected int getParsedVersion(String version) throws NumberFormatExcepti
         return versionValue;
     }
 
-    public boolean isShareesOnDavSupported() {
-        return isNewerOrEqual(nextcloud_17);
-    }
-
-    public boolean isRemoteWipeSupported() {
-        return isNewerOrEqual(nextcloud_17);
-    }
-
     /*
      * Autogenerated Parcelable
      */

library/src/test/java/com/owncloud/android/lib/resources/status/OwnCloudVersionTest.java

@@ -16,13 +16,13 @@
 public class OwnCloudVersionTest {
     @Test
     public void testOwnCloudVersion() {
-        OwnCloudVersion version = new OwnCloudVersion("17.0.0");
+        OwnCloudVersion version = new OwnCloudVersion("18.0.0");
 
-        assertEquals(0, version.compareTo(OwnCloudVersion.nextcloud_17));
+        assertEquals(0, version.compareTo(OwnCloudVersion.nextcloud_18));
 
-        version = new OwnCloudVersion("17.99.99");
+        version = new OwnCloudVersion("18.99.99");
 
-        assertEquals(0, version.compareTo(new OwnCloudVersion(0x11636300))); // 13.99.99 in hex
+        assertEquals(0, version.compareTo(new OwnCloudVersion(0x12636300))); // 18.99.99 in hex
     }
 
     @Test
@@ -49,16 +49,6 @@ public void testOwnCloudVersionFailure() {
         assertFalse(version.isVersionValid());
     }
 
-    @Test
-    public void testSupportNC17() {
-        assertTrue(OwnCloudVersion.nextcloud_17.isShareesOnDavSupported());
-    }
-
-    @Test
-    public void testSupportNC18() {
-        assertTrue(OwnCloudVersion.nextcloud_18.isShareesOnDavSupported());
-    }
-
     @Test
     public void testSupportNC21() {
         OwnCloudVersion version = new OwnCloudVersion("21.0.0");