updates to styles on app settings page:

- global: more bottom padding for panels
- app description textarea has no width contraint, constrained heigh
- fix extra padding in panel footers
- larger form columns for app name and description
- remove deprecated environment list
- do not need extra right padding on nested list items

styles/components/_accordion_table.scss

@@ -110,7 +110,7 @@
       font-size: $small-font-size;
       font-weight: $font-normal;
       background-color: $color-gray-lightest;
-      padding: $gap*2 $gap*7 $gap*5 $gap*4;
+      padding: $gap*2 $gap*4 $gap*5 $gap*4;
 
       th, td {
         .icon-link {

styles/components/_portfolio_layout.scss

@@ -336,6 +336,16 @@
         }
       }
     }
+
+    textarea {
+      max-height: 9rem;
+      max-width: none;
+    }
+
+    .panel__footer {
+      padding-bottom: 0;
+      padding-top: 0;
+    }
   }
 
   .activity-log {

styles/elements/_panels.scss

@@ -22,10 +22,10 @@
   margin-top: 0;
   margin-left: 0;
   margin-right: 0;
-  margin-bottom: $site-margins-mobile * 2;
+  margin-bottom: $site-margins-mobile * 6;
 
   @include media($medium-screen) {
-    margin-bottom: $site-margins * 2;
+    margin-bottom: $site-margins * 8;
   }
 }