Revert "FIX: Composer height issue in Safari on iOS 15 (#14282)" (#14847)

Revert “FIX: Composer height issue in Safari on iOS 15 (#14282)” (#14847)

This reverts commit 0dab1634b060077f18a741b0cf433571f3f523e9.

diff --git a/app/assets/javascripts/discourse/app/lib/safari-hacks.js b/app/assets/javascripts/discourse/app/lib/safari-hacks.js
index 58130c3..3f6c17f 100644
--- a/app/assets/javascripts/discourse/app/lib/safari-hacks.js
+++ b/app/assets/javascripts/discourse/app/lib/safari-hacks.js
@@ -99,9 +99,6 @@ function positioningWorkaround($fixedElement) {
   positioningWorkaround.blur = function (evt) {
     if (workaroundActive) {
       document.body.classList.remove("ios-safari-composer-hacks");
-      if (caps.isIOS15Safari) {
-        document.body.classList.remove("ios-safari-15-hack");
-      }
       window.scrollTo(0, originalScrollTop);
 
       if (evt && evt.target) {
@@ -192,9 +189,6 @@ function positioningWorkaround($fixedElement) {
       }
 
       document.body.classList.add("ios-safari-composer-hacks");
-      if (caps.isIOS15Safari) {
-        document.body.classList.add("ios-safari-15-hack");
-      }
       window.scrollTo(0, 0);
 
       if (!iOSWithVisualViewport()) {
diff --git a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
index ed03c3c..80d7e4b 100644
--- a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
+++ b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
@@ -43,11 +43,6 @@ export default {
         (/iPhone|iPod/.test(navigator.userAgent) || caps.isIpadOS) &&
         !window.MSStream;
 
-      caps.isIOS15Safari =
-        caps.isIOS &&
-        /Version\/15/.test(navigator.userAgent) &&
-        !/DiscourseHub/.test(navigator.userAgent);
-
       caps.hasContactPicker =
         "contacts" in navigator && "ContactsManager" in window;
 
diff --git a/app/assets/stylesheets/mobile/compose.scss b/app/assets/stylesheets/mobile/compose.scss
index 943307d..205ec89 100644
--- a/app/assets/stylesheets/mobile/compose.scss
+++ b/app/assets/stylesheets/mobile/compose.scss
@@ -32,13 +32,6 @@
     padding-bottom: 0px;
   }
 
-  // iOS 15 Safari has a floating address bar that displays above the composer submit bar
-  // we cannot detect its preseence, so we need to add extra padding
-  // Apple says it's a known issue, see https://bugs.webkit.org/show_bug.cgi?id=229876
-  .keyboard-visible body.ios-safari-15-hack &.open .reply-area {
-    padding-bottom: 45px;
-  }
-
   .reply-to {
     margin: 5px 0;
     .reply-details {

GitHub sha: ce91bf077510d548469466231ca328c8f3b97663

This commit appears in #14847 which was approved by eviltrout. It was merged by pmusaraj.