feat: 移除所有文章加载动画相关代码

- 移除pjax:afterGetContainers中的加载动画逻辑
- 移除pjax:beforeReplace中的动画清理代码
- 删除CSS中的loading-css-animation样式
- 删除CSS中的loading-dot动画样式
- 删除CSS中的post-pjax-loading相关样式
- 删除CSS中的post-list-pjax-loading相关样式
- 删除loading-animation关键帧动画

style.css

@@ -3862,33 +3862,6 @@ html.filter-grayscale {
 
 }
 
-.post-preview .loading-css-animation {
-
-	padding-top: 20px;
-
-	padding-bottom: 10px;
-
-	width: 100%;
-
-}
-
-.post-preview.post-pjax-loading {
-	opacity: 1;
-	z-index: 10;
-	position: relative;
-}
-
-#main.post-list-pjax-loading .post-preview {
-	opacity: 0;
-	pointer-events: none;
-	transition: opacity 0.3s ease;
-}
-
-#main.post-list-pjax-loading .post-preview.post-pjax-loading {
-	opacity: 1;
-	pointer-events: auto;
-}
-
 .post-title {
 
 	font-size: 26px;
@@ -4232,14 +4205,6 @@ article.post-preview-layout-2 .post-meta {
 	justify-content: flex-start;
 }
 
-article.post-preview-layout-2 .loading-css-animation {
-
-	position: absolute;
-
-	bottom: -8px;
-
-}
-
 /* 文章预览样式 3 */
 
 article.post-preview-layout-3 .post-header {
@@ -8938,12 +8903,6 @@ html[lang] {
 
 }
 
-.post-list-pjax-loading .shuoshuo-preview-container {
-	opacity: 0;
-	pointer-events: none;
-	transition: opacity 0.3s ease;
-}
-
 .shuoshuo-content.shuoshuo-folded {
 
 	position: relative;
@@ -9146,102 +9105,6 @@ html[lang] {
 
 }
 
-/*Loading Dot*/
-
-.loading-css-animation {
-
-	text-align: center;
-
-}
-
-.loading-dot {
-
-	display: inline-block;
-
-	background: var(--themecolor);
-
-	height: 6px;
-
-	width: 6px;
-
-	opacity: 0;
-
-	border-radius: 50%;
-
-	transform: translateX(-300px);
-
-	animation: loading-animation 4s infinite ease;
-
-}
-
-.loading-dot-1 {
-
-	animation-delay: 0.8s;
-
-}
-
-.loading-dot-2 {
-
-	animation-delay: 0.7s;
-
-}
-
-.loading-dot-3 {
-
-	animation-delay: 0.6s;
-
-}
-
-.loading-dot-4 {
-
-	animation-delay: 0.5s;
-
-}
-
-.loading-dot-5 {
-
-	animation-delay: 0.4s;
-
-}
-
-.loading-dot-6 {
-
-	animation-delay: 0.3s;
-
-}
-
-.loading-dot-7 {
-
-	animation-delay: 0.2s;
-
-}
-
-.loading-dot-8 {
-
-	animation-delay: 0.1s;
-
-}
-
-@keyframes loading-animation {
-
-	40% {
-
-		transform: translateX(0);
-
-		opacity: 0.8;
-
-	}
-
-	100% {
-
-		transform: translateX(300px);
-
-		opacity: 0;
-
-	}
-
-}
-
 /*Loading Spinner*/
 
 @keyframes spin {