Revert "Allow to customize terminal theme (#4666)" (#4682)

This reverts commit a5e89b79d6.

src/renderer/themes/lens-dark.json

@@ -1,5 +1,5 @@
 {
-  "name": "Dark",
+  "name": "Dark (Lens)",
   "type": "dark",
   "description": "Original Lens dark theme",
   "author": "Mirantis",

src/renderer/themes/lens-light.json

@@ -1,5 +1,5 @@
 {
-  "name": "Light",
+  "name": "Light (Lens)",
   "type": "light",
   "description": "Original Lens light theme",
   "author": "Mirantis",
@@ -76,26 +76,26 @@
     "logsBackground": "#24292e",
     "logsForeground": "#ffffff",
     "logRowHoverBackground": "#35373a",
-    "terminalBackground": "#ffffff",
-    "terminalForeground": "#2d2d2d",
-    "terminalCursor": "#2d2d2d",
-    "terminalCursorAccent": "#ffffff",
-    "terminalSelection": "#bfbfbf",
-    "terminalBlack": "#2d2d2d",
-    "terminalRed": "#cd3734 ",
-    "terminalGreen": "#18cf12",
-    "terminalYellow": "#acb300",
-    "terminalBlue": "#3d90ce",
-    "terminalMagenta": "#c100cd",
-    "terminalCyan": "#07c4b9",
+    "terminalBackground": "#24292e",
+    "terminalForeground": "#ffffff",
+    "terminalCursor": "#ffffff",
+    "terminalCursorAccent": "#000000",
+    "terminalSelection": "#ffffff77",
+    "terminalBlack": "#2e3436",
+    "terminalRed": "#cc0000",
+    "terminalGreen": "#4e9a06",
+    "terminalYellow": "#c4a000",
+    "terminalBlue": "#3465a4",
+    "terminalMagenta": "#75507b",
+    "terminalCyan": "#06989a",
     "terminalWhite": "#d3d7cf",
-    "terminalBrightBlack": "#a8a8a8",
-    "terminalBrightRed": "#ff6259",
-    "terminalBrightGreen": "#5cdb59",
-    "terminalBrightYellow": "#f8c000",
-    "terminalBrightBlue": "#008db6",
-    "terminalBrightMagenta": "#ee55f8",
-    "terminalBrightCyan": "#50e8df",
+    "terminalBrightBlack": "#555753",
+    "terminalBrightRed": "#ef2929",
+    "terminalBrightGreen": "#8ae234",
+    "terminalBrightYellow": "#fce94f",
+    "terminalBrightBlue": "#729fcf",
+    "terminalBrightMagenta": "#ad7fa8",
+    "terminalBrightCyan": "#34e2e2",
     "terminalBrightWhite": "#eeeeec",
     "dialogTextColor": "#87909c",
     "dialogBackground": "#ffffff",