Replace custom HighlightSeverity with INFORMATION

Author: l2dy

src/main/kotlin/org/rust/ide/annotator/RsCfgDisabledCodeAnnotator.kt

@@ -24,7 +24,7 @@ class RsCfgDisabledCodeAnnotator : AnnotatorBase() {
 
     private fun AnnotationHolder.createCondDisabledAnnotation() {
         val color = RsColor.CFG_DISABLED_CODE
-        val severity = if (isUnitTestMode) color.testSeverity else CONDITIONALLY_DISABLED_CODE_SEVERITY
+        val severity = if (isUnitTestMode) color.testSeverity else HighlightSeverity.INFORMATION
 
         newAnnotation(severity, RsBundle.message("text.conditionally.disabled.code"))
             .textAttributes(color.textAttributesKey)
@@ -43,10 +43,5 @@ class RsCfgDisabledCodeAnnotator : AnnotatorBase() {
                 && element.isDisabledCfgAttrAttribute(crate)
                 && element.owner?.isEnabledByCfgSelfOrInAttrProcMacroBody(crate) == true
         }
-
-        val CONDITIONALLY_DISABLED_CODE_SEVERITY = HighlightSeverity(
-            "CONDITIONALLY_DISABLED_CODE",
-            HighlightSeverity.INFORMATION.myVal + 1
-        )
     }
 }

src/main/kotlin/org/rust/ide/annotator/RsHighlightingMutableAnnotator.kt

@@ -61,19 +61,12 @@ class RsHighlightingMutableAnnotator : AnnotatorBase() {
     }
 
     private fun addHighlightingAnnotation(holder: AnnotationHolder, target: PsiElement, key: RsColor) {
-        val annotationSeverity = if (isUnitTestMode) key.testSeverity else MUTABLE_HIGHLIGHTING
+        val annotationSeverity = if (isUnitTestMode) key.testSeverity else HighlightSeverity.INFORMATION
 
         holder.newSilentAnnotation(annotationSeverity)
             .range(target.textRange)
             .textAttributes(key.textAttributesKey).create()
     }
-
-    companion object {
-        private val MUTABLE_HIGHLIGHTING = HighlightSeverity(
-            "MUTABLE_HIGHLIGHTING",
-            HighlightSeverity.INFORMATION.myVal + 1
-        )
-    }
 }
 
 private val RsElement.isMut: Boolean

src/main/kotlin/org/rust/ide/annotator/RsMacroExpansionHighlightingPass.kt

@@ -12,6 +12,7 @@ import com.intellij.codeInsight.daemon.impl.*
 import com.intellij.lang.annotation.Annotation
 import com.intellij.lang.annotation.AnnotationSession
 import com.intellij.lang.annotation.Annotator
+import com.intellij.lang.annotation.HighlightSeverity
 import com.intellij.openapi.editor.Document
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.progress.ProgressIndicator
@@ -179,7 +180,7 @@ class RsMacroExpansionHighlightingPass(
 
         for (mappedRange in cfgDisabledMappedRanges) {
             val color = RsColor.CFG_DISABLED_CODE
-            val severity = if (isUnitTestMode) color.testSeverity else RsCfgDisabledCodeAnnotator.CONDITIONALLY_DISABLED_CODE_SEVERITY
+            val severity = if (isUnitTestMode) color.testSeverity else HighlightSeverity.INFORMATION
             results += HighlightInfo.newHighlightInfo(HighlightInfoType.INFORMATION)
                 .severity(severity)
                 .textAttributes(color.textAttributesKey)