Removed redundant file, fixed popup

Author: Vitaliy Boyko

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewViewModelDialog.form

@@ -7,7 +7,7 @@
     </constraints>
     <properties>
       <opaque value="true"/>
-      <preferredSize width="420" height="195"/>
+      <preferredSize width="420" height="120"/>
       <requestFocusEnabled value="true"/>
     </properties>
     <border type="none"/>

src/com/magento/idea/magento2plugin/actions/generation/generator/ModuleViewModelClassGenerator.java

@@ -14,7 +14,6 @@
 import com.magento.idea.magento2plugin.actions.generation.generator.util.FileFromTemplateGenerator;
 import com.magento.idea.magento2plugin.indexes.ModuleIndex;
 import com.magento.idea.magento2plugin.magento.files.ViewModelPhp;
-import com.magento.idea.magento2plugin.magento.files.PhpCommonClass;
 import com.magento.idea.magento2plugin.magento.packages.Package;
 import com.magento.idea.magento2plugin.util.GetPhpClassByFQN;
 import org.jetbrains.annotations.NotNull;
@@ -65,7 +64,7 @@ private PhpFile createViewModelClass(String actionName) {
         }
 
         Properties attributes = getAttributes();
-        PsiFile viewModelFile = fileFromTemplateGenerator.generate(PhpCommonClass.getInstance(viewModelFileData.getViewModelClassName()), attributes, parentDirectory, actionName);
+        PsiFile viewModelFile = fileFromTemplateGenerator.generate(ViewModelPhp.getInstance(viewModelFileData.getViewModelClassName()), attributes, parentDirectory, actionName);
         if (viewModelFile == null) {
             return null;
         }