fix: broken heredoc

Author: xepozz

src/main/kotlin/com/github/xepozz/caddy/language/parser/Caddy.bnf

@@ -48,7 +48,7 @@ block ::= block_name? LBRACE EOL instructions RBRACE
   pin=3
   recoverWhile=block_recover
 }
-private block_recover ::= !(COMMENT | IDENTIFIER | SYMBOL | RBRACE | EOL)
+private block_recover ::= !(COMMENT | SYMBOL | RBRACE | EOL)
 
 private instructions ::= (instruction? EOL)*
 
@@ -89,7 +89,7 @@ heredoc ::= HEREDOC_START HEREDOC_CONTENT* HEREDOC_END
   pin=1
   implements=["com.intellij.psi.PsiLanguageInjectionHost" "com.intellij.psi.PsiLiteralValue"]
   extends="com.github.xepozz.caddy.language.psi.impl.CaddyHeredocContentImpl"
-  methods=[isValidHost updateText createLiteralTextEscaper]
+  methods=[]
 }
 
 //private instruction_recover ::= !(TEXT | RBRACE)

src/main/kotlin/com/github/xepozz/caddy/language/psi/impl/CaddyPsiImplUtil.kt

@@ -3,9 +3,7 @@ package com.github.xepozz.caddy.language.psi.impl
 import com.github.xepozz.caddy.language.psi.CaddyAddress
 import com.github.xepozz.caddy.language.psi.CaddyHeredoc
 import com.github.xepozz.caddy.language.psi.CaddyTypes
-import com.intellij.psi.LiteralTextEscaper
 import com.intellij.psi.PsiElement
-import com.intellij.psi.PsiLanguageInjectionHost
 import com.intellij.psi.PsiReference
 import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry
 
@@ -14,16 +12,6 @@ class CaddyPsiImplUtil {
         @JvmStatic
         fun getValue(element: CaddyAddress): String? = element.text
 
-        @JvmStatic
-        fun isValidHost(element: CaddyHeredoc): Boolean = element.isValidHost
-
-        @JvmStatic
-        fun updateText(element: CaddyHeredoc, newText: String): PsiLanguageInjectionHost = element.updateText(newText)
-
-        @JvmStatic
-        fun createLiteralTextEscaper(element: CaddyHeredoc): LiteralTextEscaper<out PsiLanguageInjectionHost> =
-            element.createLiteralTextEscaper()
-
         @JvmStatic
         fun getValue(element: CaddyHeredoc): String? =
             element.node.findChildByType(CaddyTypes.HEREDOC_CONTENT)?.text?.trimIndent()