Do not put softline before TSImportEqualsDeclaration (#1679)

I'm not sure why it was there but it makes the transform not stable

src/printer.js

@@ -2323,7 +2323,6 @@ function genericPrintNoParens(path, options, print, args) {
       return concat(parts);
     case "TSImportEqualsDeclaration":
       parts.push(
-        softline,
         printTypeScriptModifiers(path, options, print),
         "import ",
         path.call(print, "name"),

tests/typescript_import_require/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,10 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`import_require.js 1`] = `
+import { IModel } from 'vs/editor/common/editorCommon';
+import JSONContributionRegistry = require('vs/platform/jsonschemas/common/jsonContributionRegistry');
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+import { IModel } from "vs/editor/common/editorCommon";
+import JSONContributionRegistry = require("vs/platform/jsonschemas/common/jsonContributionRegistry");
+
+`;

tests/typescript_import_require/import_require.js

@@ -0,0 +1,2 @@
+import { IModel } from 'vs/editor/common/editorCommon';
+import JSONContributionRegistry = require('vs/platform/jsonschemas/common/jsonContributionRegistry');

tests/typescript_import_require/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, { parser: "typescript" });