fix(inline edit): remove clear element in internet explorer

fix patternfly#1076

Author: mcoker

src/less/forms.less

@@ -164,6 +164,9 @@ span.required-pf {
     position: relative;
     input {
       padding-right: @input-height-base;
+      &::-ms-clear {
+        display: none;
+      }
     }
     .form-control-pf-empty {
       background: none;

src/sass/converted/patternfly/_forms.scss

@@ -164,6 +164,9 @@ span.required-pf {
     position: relative;
     input {
       padding-right: $input-height-base;
+      &::-ms-clear {
+        display: none;
+      }
     }
     .form-control-pf-empty {
       background: none;

src/sass/converted/rcue/_forms.scss

@@ -164,6 +164,9 @@ span.required-pf {
     position: relative;
     input {
       padding-right: $input-height-base;
+      &::-ms-clear {
+        display: none;
+      }
     }
     .form-control-pf-empty {
       background: none;