fix(grid): remove cells text alignment inheritance

Author: inikolova

packages/default/scss/grid/_layout.scss

@@ -90,7 +90,6 @@
             border-color: inherit;
             outline: 0;
             font-weight: inherit;
-            text-align: inherit;
             position: static;
             overflow: hidden;
             text-overflow: ellipsis;

packages/default/scss/table/_layout.scss

@@ -37,7 +37,6 @@
     .k-table-row,
     .k-table-alt-row {
         border-color: inherit;
-        text-align: inherit;
     }
     .k-table-th,
     .k-table-td {
@@ -48,7 +47,6 @@
         border-color: inherit;
         box-sizing: border-box;
         font-weight: normal;
-        text-align: inherit;
         white-space: nowrap;
         text-overflow: ellipsis;
         display: table-cell;